General

1.       In each division below, there are listed general requirements, and if appropriate, CWRU approved manufacturers, listed in order of our preference. Manufacturers in capital letters are strongly preferred by CWRU. The design shall be based around these manufacturers, with manufacturers in small letters as the only approved alternates. If only a capitalized manufacturer is listed, this manufacturer shall be used in a proprietary fashion unless prior written approval is given through the Office of Construction Administration. When designing remodeling project, attempt to match existing equipment whenever possible.

2.       Specifications have been placed in the most frequently used specification section. If these types of goods, materials or systems need to be specified outside the section noted in this document, the CWRU Standards must be followed. For example, if faucets are specified with hoods in Division 11, then the CWRU Standards for faucets listed in Division 15 shall be followed.

3.       All installations shall be ADA compliant.

4.       All work, including materials and workmanship performed, shall be subject at all times to inspection by Owner at any and all places where such part of the Work may be carried on; provided, however, that Owner shall not unreasonably interfere with the performance of the work by Contractor. Neither Owner's right of inspection, whether or not exercised, nor any such inspection, shall relieve Contractor of its responsibilities for the proper performance of the work.

5.       The General Specification for the CWRUnet Premise Cabling system shall be included in the final project documents, intact and without editing.

6.       All The Medical Center Company requirements shall be included in the final project documents, intact and without editing.

7.       When the contract documents are between 80-95% complete, the architect/engineer shall deliver (1) at least three complete sets of all contract documents and, (2) a list of suggested bidders to the University's Office of Construction Administration for distribution and final review by the CWRU design team, Plant Services Department and Construction Administration Department. (Note: larger projects may require review by additional campus entities and additional sets of documents shall be provided as appropriate.) CWRU shall have a minimum of two weeks to review these documents and will provide comments back to the architect/engineer for incorporation into the final set of bidding documents through the Construction Administration Department.

8.       The University has preferred pricing contracts for selected products and services, e.g., hardware and furniture. Please contact Construction Administration for details regarding how these products should be specified.

9.       All products, equipment or systems provided and/or installed shall be Year 2000 compliant and so proved.

10.   All installations shall be E.P.A. energy star compliant.

11.   All drawings are to be completed on CAD and provided to CWRU on disk.

Final design documents are to have submitted with them a program estimate of the annual energy consumption of the building’s mechanical and electrical systems.

  01060 BUILDING CODES

1.       All work shall comply with the Ohio Basic Building Code, the City of Cleveland Building Code, or the City of Cleveland Heights Building Code, depending on the location of the Work, and any other applicable specialized codes.

 02500 PAVING AND SURFACING

1.       Walkways shall be a minimum of 6 feet wide to allow for truck mounted snow removal equipment.

2.       The minimum thickness of 6' wide walkways shall be 5". The minimum thickness of 8' or wider walkways shall be 8" minimum.

3.       Bases shall be a minimum of 4" of crushed limestone, compacted to 95-96%, for rigid pavement.

4.       All dowels shall be epoxy coated.

5.       All sidewalks shall be installed with #10, 6" X 6" wire mesh. All roadways shall be installed with #4, 6" X 6" wire mesh.

6.       All pedestrian walks or similar exterior exposed concrete shall be colored with L.M. Schofield - Mesa Beige - Chromix admixture C-12 and sealed with Schofield Mesa Beige colorwax sealer. Reference the campus master plan for additional details regarding the design of different types of walkways on campus.

02660 WATER DISTRIBUTION

1.       Underground water piping shall be type "K" copper only. Piping over 3" shall be Ductile Iron class 55, cement lined and shall meet the ANSI standard in the plumbing code.

02680 STEAM DISTRIBUTION

1.       Utility steam is supplied by The Medical Center Co. Installation through the metering station shall comply with The Medical Center Co. specifications for steam issued with this document as Appendix D.

02900 LANDSCAPING

1.       Hedges shall be 4 feet or less in width to allow debris removal.

2.       Pine trees shall not be used in areas where individuals could be expected to utilize them for hiding.

3.       All plant varieties are subject to approval by the CWRU Grounds Department. Due to the severe range of temperatures +104° to -24°F and other local climatic effects, local ( 50 MI Lat.) varieties shall be used whenever possible.

4.       Seed mix must be approved by CWRU grounds department.

5.       Plant material is to be planted in accordance with American Nurseryman's Standards.

Grass Seed

Scotts

Irrigation Systems

Toro

03300 CAST IN PLACE CONCRETE

1.       All pedestrian walks or similar exterior exposed concrete shall be colored with L.M. Schofield - Mesa Beige - Chromix admixture C-12 and sealed with Schofield Mesa Beige colorwax sealer. Reference the campus master plan for additional details regarding the design of different types of walkways on campus.

 07100 WATER PROOFING

1.       American Hydrotech Monolithic Membrane 6125 is the preferred waterproofing for all buried structures.

07500 MEMBRANE ROOFING

1.       A 2-ply modified elastomeric roof with smooth or granular finish, or standing seam is preferred.

2-Ply Modified

1. Suprema

Irrigation Systems

2. Siplast

3. Nord

08700 HARDWARE

1.       All locksets shall be heavy duty mortise with lever handles meeting ADA specifications

2.       Keying schedules will be done by the University Department of Physical Security Services in conjunction with affected departments. All cylinders will be installed under the University's Key Control System.

3.       Note: Due to the use of a restricted key way and key, Medeco will not ship cylinders to the contractor. The contractor shall arrange for direct shipment to the University locksmith at the Physical Security Services Department. The Physical Security Services Department will issue cylinders and keys to the contractor as required.

4.       Reference Division 13900 and 16000 of the CWRU requirements, as well as the attached Protective Services guidelines, to ascertain how electronic exits or panic bars are connected to the CWRU security system.

5.       All maintenance, housekeeping and CWRUnet rooms shall be storeroom function lockset, i.e., no unlocking capability without a key.

6.       Functional capabilities of locksets for all other rooms shall be determined and reviewed with the user.

7.       Heavy duty hinges shall be used on all doors over 3' in width and on doors less than 3' in width that require an extra heavy duty door.

8.       Any existing, unused cylinders shall be returned to the Physical Security Services Department prior to Substantial Completion of the Work.

Cylinders/Key System

Medeco for all campus buildings except dormitories

Best for dormitories only

Door Closers

LCN Only

Locksets

1-Schlage

2-Best

3-Sargent

4-Emhart

Panic Bars

33 & 99 Von Duprin Only

09100 SHELVING

               Standards

Knapp Voight heavy duty

Brackets

Knapp Voight heavy duty

Center Support

Knapp Voight (KV87)

09545 LAY-IN CEILINGS                       

Ceiling Tile

Armstrong 755B.

09680 CARPET

1.       All carpet to be Scotch-guarded, 100% solution dyed (nylon) with a secondary unitary back, permanent static control, and meet all the specifications of The Carpet and Rug Institute. In areas that are carpeted, base shall be 4" carpet base with bound top or vinyl cove base.

09900 PAINT

1.       Must be no less than eggshell finish (flat finish on ceiling only).

2.       Public areas shall be semi-gloss.

Paint

1-Sherwin Williams (ProMar 200)                                            

2-Benjamin Moore

3-Pratt & Lambert

Stain & Polyruethanes

1-Minwax(both latex and alkyd oil-based are acceptable

3.       Hospital grade paint shall be used in all occupied buildings. Case's project manager will advise on a project by project basis the need for this requirement.

10400 IDENTIFYING DEVICES - ROOM NUMBERING

1.       All spaces, including rest rooms, SER, mechanical rooms, electrical rooms, and corridors, as well as assignable spaces, shall have unique room numbers assigned and be so labeled. All room signs shall conform to ADA requirements.

2.       All rooms at grade or above shall be numbered with three unique digits. No number may be used more than once. The floor accessed from grade is typically labeled with 100 series numbers. The floor above that, 200 series, etc.

3.       Floors immediately below the 100 series floor shall be numbered with two digits: 01 to 99. In special cases where buildings are located on hillsides, and separate floors are both accessible from a "grade," Architects must contact their designated contact at the University for specific instructions.

4.       Suffixes shall only be used within a specific discrete office complex, e.g., when the main entrance to an office is labeled 100, then within that office area rooms shall be labeled 100A, 100B, etc. Labeling on these inner rooms should start with the left most inner room when entering the suite and continue in a clockwise direction around the space.

5.       Prefixes, such as N101 and S101, are not acceptable.

6.       The CWRU logo shall also be placed on individual room signs.

7.       Sign materials and colors shall be approved by the Architect's designated contact at the University.

8.       All drawings, including construction drawings, shall reflect this numbering system.

9.       All drawings shall also include, by room number, the square footage of the individual spaces.

10.   All schedules in construction documents (materials, equipment, finishes, etc.) shall utilize this numbering convention.

11.   Generally, even numbers are used on one side of the corridor and odd numbers on the other.

12.   A sample room sign is attached.

10520 FIRE PROTECTION SPECIALTIES

1.       Appropriately sized and located ABC fire extinguishers shall be provided.

10750 TELEPHONE SPECIALTIES

1.       Telephone service is provided to campus buildings via Ameritech.

2.       Telephone service to end users is provided through the campus communications system known as CWRUnet (pronounced crew-net). For specific design details see "A General Specification for the CWRUnet Premise Cabling System" attached as Appendix A.

3.       Ramtech Emergency Phones will be strategically placed outside of all University buildings. One per major entrance/exit. This phone shall be wall mounted whenever possible.

Exterior Emergency Phone

Ramtech Corporation

87 Putnam Pike

Johnstone, RI  02919

Campus phones & pay phones are required for public areas of buildings.

Elevators shall be equipped with a phone for emergency use.

11400 FOOD SERVICE EQUIPMENT

Ice Machines

1-Manitowoc

2-Crystal Tip

3-Scottsman

11470   DARKROOM EQUIPMENT   

Valves, Photo Process

1-Symmons

2-Leonard

11600 LABORATORY EQUIPMENT

1.       Fixtures and mechanical systems shall comply with specification sections 15050 and 15400.

2.       All sterilizers & autoclaves shall be piped using schedule 40 black iron for steam and use copper for drains.

Ice Machines

1-Manitowoc

2-Crystal Tip

3-Scottsman

Lab Fixtures 

1-Chicago

2-T & S

3-Royal

Lab Fixtures (Air, Gas, Vac.) 

1-Cambridge

2-Chicago

13030 SPECIAL PURPOSE ROOMS

1.       Multimedia rooms shall comply with "Facilities Design Criteria for the Construction and Renovation of Multimedia Classrooms at CWRU" issued with this document as Appendix B.

13800 BUILDING AUTOMATION SYSTEMS

1.       The current campus building automation system is the Barber-Coleman Network 8000 system. Any new installation must be fully compatible with this system's equipment. Johnson Meta Sys and Trane Tracer Summit system are an approved equal.

2.       Hood Control Systems shall be compatible and integrate with the building's control system with full technical support from the vendor.

13900 FIRE SUPPRESSION AND SUPERVISORY SYSTEMS

1.       CWRU Protective Services coordinates the testing, maintenance and upgrading of all campus fire systems. The interfacing of all building fire alarm systems to the campus Central Monitoring System (Litton) or to any monitoring system will be done in coordination with CWRU Protective Services. All fire alarm equipment will be coordinated with the design of the facility and the stated operational use of the facility, and shall be approved by Protective Services.

System:

1-Simplex

2-Fire Control Instruments

3-Notifier

Smoke Detectors

1-Simplex

2-Kidde

3-Pyrotronic

4-Notifier

Duct Detectors

Pyrotronic

Control Equipment

Simplex

Note: All associated equipment is to be from the same manufacturer whenever possible.

13950 SPECIAL SECURITY CONSTRUCTION

1.       Access Control: The specifications shall contain a section entitled "Door Monitor and Control System." CWRU has standardized on the Litton System for access control on campus. The design shall include all components necessary to provide a fully functional security system in accordance with the attached Protective Services guidelines, Appendix E. CWRU reserves the right to directly purchase and install certain portions of this system. The access control design shall be reviewed, in detail, with the Departments of Protective Services and Construction Administration.

2.       CCTV: Video surveillance will be incorporated into each facility as necessary after review by Protective Services and the occupying department. Project documents shall incorporate all wire, wireways and necessary devices to create a complete system. Should any new devices require connection to an existing monitoring station, the project documents shall provide all devices, wiring and connections to make the system fully functional.

14200 CONVEYING SYSTEMS (ELEVATORS, DUMBWAITERS, CHAIR LIFTS)

1.       All installations shall be ADA compliant and shall be equipped with a factory installed ADA compliant automatic dialing telephone.

2.       Upon completion of the Work, and as a condition of its acceptance, and at no additional cost to the Owner, deliver to the Owner requisite copies of the following:

a.       Executed copies of project warranty.

b.       Project Record Documents.

c.       Maintenance Manuals: Bound manual for elevator, with operating and maintenance instructions, partS listing, recommended parts inventory listing, purchase source listing for major and critical components, emergency instructions, and similar information.

d.       Provide to the Owner all special service tools and computer interface hardware, including operating software.

e.       Provide to the Owner complete as built wiring diagrams.

f.         Provide to the Case Western Reserve University elevator maintenance contractor:

                                                               i.      One set of elevator as built shop drawings.

                                                             ii.      One set of elevator repair manuals.

                                                            iii.      Service tools.

                                                            iv.      Computer software.

                                                              v.      Employee training.

3.       No proprietary systems are acceptable.

Elevators

1-Dover

2-Montgomery

3-Schindler

4-Thyssen

5-Millar

15050 BASIC MECHANICAL MATERIALS AND METHODS (REVISED 5/01)

1.       Mechanical System General:

a.       All pneumatic controls shall be marked Hot Deck, Cold Deck, Mixed Air, etc. [see Identification of Piping Systems].

b.       Design systems so that all components requiring access are easy to reach for maintenance. These components include, but are not limited to, shut off, balancing and control valves, dampers, filters and terminal boxes. Provide access doors (with a minimum width of 18") in ductwork for servicing of all devices. Use only screwdriver access, "key" lock on doors is not permitted, including doors at fire dampers. Access doors shall be clearly marked on drawings.

c.       All pneumatic controls, relays, E.P. switches, etc. are to have 1-1/2" gauges installed to read the output/input signals.

d.       All valves less than 2-1/2" shall be ball type unless not appropriate for the application.

e.       All gauges shall be liquid filled except on steam and condensate return lines.

f.         ON STEAM AND CONDENSATE LINES ONLY GATE VALVES ARE PERMITTED.

g.       Only ball valves are permitted on air compressors.

h.       On pneumatic lines all valves shall be of the ball valve type unless not appropriate for the application.

i.         Roof top equipment shall be dampened to eliminate perceptible vibrations.

j.         Clearances, follow manufacturers recommendations, however, a minimum of 3 feet around areas requiring maintenance shall be provided for.

k.       Assume a 20 year life cycle with 12% spare capacity. For system component selection.

2.       Identification of Piping Systems:

a.       The University has instituted a common system to assist in the identification of the contents of piping systems. This system conforms to the ANSI standards A13.1-1981.

b.       Positive identification of the contents of a piping system shall be by lettered legend giving the name of the contents in full or abbreviated form. Arrows shall be used to indicate direction of flow.

c.       Legends shall be brief, informative, pointed and simple for greatest effectiveness. Legends shall be applied close to valves or flanges and adjacent to changes in direction, branches and where pipes pass through walls and floors, also at intervals on straight pipe runs sufficient for identification usually not more than 25 feet.

d.       All pumps, fans, tanks, compressors, dryers, etc. shall be clearly labeled for identification, i.e. P-1 cooling water, not CWP-1; Emergency exhaust fan 3, not EEF-3.

e.       Attention shall be given to visibility of the pipe markings. Where pipe lines are located above or below the normal line of vision, the lettering shall be placed below or above the horizontal center line of the pipe.

f.         Piping Legends:

              Classification of Hazards of Materials and Designation of Colors

MATERIALS INHERENTLY HAZARDOUS

Classification

Color Field

Color of Letters

Flammable or explosive

Yellow

Black

Chemically active or toxic

Yellow

Black

Extreme Temperatures or Pressures

Yellow

Black

MATERIALS OF INHERENTLY LOW HAZARD

Classification

Color Field

Color of Letters

Liquid or liquid admixture

Green

White

Gas or gaseous admixture

Blue

White

FIRE QUENCHING MATERIALS

Classification

Color Field

Color of Letters

Water, foam, CO2, halon, etc.

Red

White

SIZE OF LEGEND LETTERS

Outside Diameter of Pipe or Covering 

(Inches)

Length of Color (Inches)

Size of Field Letters (Inches)

3/4 to 1-1/2

8

1/2

1/2 to 2

8

3/4

2-1/2 to 6

12

1-1/4

over 10

32

3-1/2

ALL LEGENDS USED MUST MEET OR EXCEED THIS STANDARD

Air compressors

1-Quincy

2 -Ingersol Rand

3 -Atlas Copco

Air Dryer Systems

1-Hankerson

2-Airco

Back Flow Preventers

1-Febco

2-Wilkens Zurn

3-Watts

Ball Valves

1-Apollo

2-Hammond

3-Watts

Butterfly Valves

1-Apollo

2-Bray

Gate, Globe Valves

1-Hammond

2-Crane 

3-Jenkins

Heat Exchangers (Bundles)

1-Bell & Gossett

2-Taco

Inlet Air Filters (coalescing type only)

1-Solberg

2-Finite Parker

Inline filters

1-Finite Parker

2-Flo-Rite

Pipe Marking System

Brady

Pneumatic Filters for Controls

1-Deltech

2-Arrow

3-Watts

Water Pressure Regulators & Safety Valves

1-Watts

2-Sarco

3-Conbraco

Steam Pressure Regulators

1-Spence

Pumps

1-Bell & Gossett

(D.H.W. shall be brass or bronze)

2- Armstrong

3-Peerless

4-Taco

15400 PLUMBING

1.       Plumbing General:

a.       Domestic interior water piping shall be type "L" copper only.

b.       Use only ADA approved wrist blades with bathroom and kitchen faucets only, no self closing fixtures are permitted.

c.       Use only poly propylene pipe for de-ionized water piping. Joints may be either fused or mechanical.

d.      All eyewash stations and emergency showers are to utilize tepid water per Ansi 358.1, 1998 standards.

		Acid Waste Lines		1-Orian
				2-Enfield Lab Line
		Backflow Preventers		1-Febco
				2-WlkensZurn
				3-Watts
		Deionized Water Piping		1-Enfield
				2-Orian
		Domestic Water Heaters		1-A.O. smith
				2-Rudd
				3-State
		Drinking Fountains		1-Halsey Taylor
Eyewash Stations/Emergency Showers				1-Haws
				2-Guardian
		Faucets, Bathroom and Kitchen		1- Moen
				2-Chicago
				2American Standard (aqua seal)
		Faucets, Laboratory		1-Chicago
		Flushometers		1-Sloan
				2-Zurn
		Lab Services (air, gas, vac., etc.)		1-Cambridge
				2-Chicago
				3-T&S
		Shower Mixing Valve		1-Moen
				2-Symmons
				3-American Standard
		Sinks, Toilets, Uriunals		1-American Standard
				2-Kohler
				3-Crane
		Vaccum Breakers		1-Chicago
				2-Watts
		Water Make-Up Fill Valves		1-Watts
				2-Consolidated
				3-Crane
	Water Systems, reverse osmosis			1-US Filter
				2-WTW
				3-Millipore (utilizing Valves for blend valve on R.O. systems

15500 HEATING, VENTILATING AND AIR CONDITIONING (REVISED 5/01)

1.       Air Handlers - General

a.       Preheat coils and hot deck shall be steam.

b.       Fans shall be lockset blades with variable speed drives on all large units.

c.       Sheaves shall be fixed pitch. Adjustable sheaves shall be used only until balancing is complete.

d.       All component parts are to be designated within the specifications.

e.       Water/refrigerant coils shall be .025-.035 inches in thickness.

f.         Chilled water coils are to have minimum of 3/8" ball valves on drains and vents.

g.       Coil casings shall be stainless steel.

h.       Headers shall be brass or copper

i.         Motors shall be TEFC Premium efficiency with adjustable base. VFD driven motors shall also be inverter rating.

j.         Duct sizing, all distribution feeding more than five terminal should have 15% expansion capability, consider a 1" of W.G. duct friction loss per 100 lineal feet of duct run in this sizing exercise.

k.       Fan sizes should provide for 25% free space for future expansion.

l.         Mechanical duct shafts should provide for 25% free space for future expansion.

m.      Where possible, CWRU’s preferred HVAC system for non-research/laboratory facilities is a VAV air handling system with a VFD on both the supply and return air fans and VAV terminal boxes with reheat coils as necessary on the respective zones. Continual renovation work of these facilities lends a VAV type system most adaptable to change.

n.       SER’s, telecommunications rooms, electrical equipment rooms and other high heat gain environments shall only have cooling terminals, no reheat coils.

o.       CWRU acknowledges that it is not economical to provide thermostat control in each space, however, to accommodate the diversity of occupants found on campus system design should attempt to provide no more than three spaces controlled off of one thermostat in office areas, never more than five spaces and one space per thermostat as required to address unique situations such as corner spaces with multiple sun exposures. In addition to code requirements, the following HVAC components should be connected to the buildings emergency power:

p.       Design professional shall: ensure, via field investigations, reviews and interviews there is sufficient availability of required capacities of existing systems to satisfy the demands of the project specifications without affecting other areas serviced by the existing system and shall document and verify with CWRU.

q.       Excepting the sprinkler lines, the passage of any piping through SER, electrical or telecommunications rooms is prohibited.

r.        For duct cleaning purpose provide access panels at every 50 feet of straight duct and upstream of each elbow and reheat coil.

s.       Spring isolation shall be provided on fans/blower assemblies

t.        Dampers shall be aluminum air foil low leakage with zero to 30# gauge on damper motor.

u.        Fluorescent service lights shall be provided in each compartment of the air See Div. 16 for requirements.

v.        AHU’s shall have double wall construction (2" fiber glass insulation)

w.      All fan rotation shall be clearly marked.

x.       System component selection, assume a 20 year life cycle with 12% spare capacity.

2.       All air cooled condensers shall be set on curbs built into roof. The bottom of the units shall be not less than 18" nor more than 24" off the roof.

3.       Package a/c units for electron microscopes and all other sensitive equipment shall be installed with pneumatic air bags of proper size to eliminate vibration.

4.       Access at all dampers, manual or automatic, shall be large enough to complete any foreseeable work. All equipment not on legs shall be on housekeeping pads.

5.        Chillers shall be centrifugal only and have a design performance goal of ..60 kw/ton minimum.

Air  Handling Units – Custom

1 – Industrial Sheet Metal

2 – Air Enterprise

3 – Miller, Picking, York

5 -- Environment Air Systems

Air Handling Package

1 – Tran

2 - York

3 - Carrier

4 - McQuay

Computer Room Cooling

1 – Liebert

Chillers

1 – Trane

2 – Carrier

3 - York

Condensing Units Humidifiers 

1 – Copeland Dri-Steam

(in main building supply fan)

Steam Piping, Return

Schedule 80 black seamless

Steam Piping, Supply

Schedule 40 black seamless

Steam Regulators

1 – Spence

Steam Traps

1 – Sarco

Window HVAC Units

1 – Carrier

2 – General Electric

15750 HEAT TRANSFER (REVISED 5/01)

1.       General:

a.       The HVAC Contractor shall engage the services of the Water Treatment Contractor that currently services Case Western Reserve University to provide a complete fluid treatment service, designed to minimize corrosion and scale formation in the piping systems.

b.       All necessary cleaning chemicals, treatment chemicals, control equipment and services shall be provided by the Water Treatment Contractor. The specifications shall include a one year contract for each system that shall cover the supply of chemical treatment and service. The fluid treatment supplier shall receive written notice from the HVAC Contractor prior to temporary or permanent start-up of any system requiring chemical treatment system. Makeup water piping shall conform to the Board of Health and all City, State, and Federal Code requirements.

c.       The fluid treatment supplier shall forward within 90 days from job acceptance, the following for approval to the Owner:

                                                               i.      System installation drawings and diagrams.

                                                             ii.      Product information sheets on each component, device, pump, controller, valve, etc., being supplied in the system.

                                                            iii.      Cleveland City Water supplies all systems.

                                                            iv.      Product information sheets and Material Safety Data Sheets on all chemical products being supplied for each system, including cleaning chemicals.

                                                              v.      Recommended feed rates on each chemical product.

                                                            vi.      Recommended operating conditions for each system, including cycles of concentration, chemical test limits and limits of water treatment system set points.

2.       Chemical Cleaning:

a.       The new and any existing piping systems shall be thoroughly flushed out of cutting oils and other loose extraneous materials. This shall include piping installed now or capped for future use. The cleaning chemicals shall be added by the HVAC Contractor. The chemical supplier shall instruct the HVAC Contractor as to proper feed rates, shall check that the cleaning solution is actually in each system, shall instruct the HVAC Contractor as to when to flush the systems and shall check each system following flushing to insure all cleaning materials have been removed from each system. The HVAC Contractor shall block open all modulating valves, zone valves and all other system restrictions. If building pumps are not available, the HVAC Contractor shall provide portable pumps to circulate water for cleaning purposes.

b.       Chemicals used for the cleaning of systems shall comply with the recommendations of the manufacturers of the major components in the system.

c.       A certificate of cleaning shall be provided by the cleaning chemical supplier to the Owner, as well as any

d.       MSDS sheets applicable to chemicals being used. The supplier shall supervise the cleaning.

e.       Cleaning chemicals for the water, glycol, steam and condensate return piping systems shall be an industrial cleaner equivalent to Mitco BL-5 cleaner. After the cleaning process has been completed the chilled water systems shall be treated with Mitco CW-21L corrosion inhibitor. Control limits of 300 ppm to 400 ppm as nitrite shall be maintained in the chilled water system. Systems shall be circulated for at least 48 hours and then thoroughly flushed so that remaining total alkalinity shall not exceed 200 ppm and maximum flushing time shall be 24 hours. Supervision of the cleaning process shall be by the Water Treatment Contractor. Cleaning solution shall not remain in the systems longer than the 48 hours noted.

f.         Provide cleaning and addition of chemical listed in item C. below as each phase of the project is accepted. Provide a complete full system cleaning and addition of chemical listed in item C. at the completion of the final phase. The total system is to be cleaned before activation (primary and secondary).

3.           Hot Water and Glycol Systems:

a.       The systems shall each have a 5-gallon capacity Shot Feeder installed. The system shall be thoroughly flushed and cleaned with a product similar to Mitco BL-5 Cleaner and charged with a product similar to Mitco CW-21L nitrite corrosion inhibitor after cleaning. Contol limits of 400 ppm to 525 ppm as nitrite shall be maintained in the system for hot water heating systems.

b.       The feeders shall have:

                                                           vii.      Inlet opening (3/4" NPT).

                                                         viii.      Outlet opening (3/4" NPT).

                                                           ix.      Bottom drain with drain valve to be piped to a floor drain.

                                                             x.      Mounting bracket.

                                                           xi.      Top opening for chemical addition (2" minimum).

                                                          xii.      Pressure test as required.

                                                        xiii.      Install feeders in a two valve bypass arrangement around the most convenient circulating pump. 3/4" NPT feeder lead-in line shall be taken from the circulating line on the discharge side of the pump. 3/4" NPT feeder outlet line shall run to the circulating line on the suction side of the pump.

4.       Contractor shall notify the Water Treatment Company in writing prior to the operation of any Water System so that they can be initially charged with The HVAC chemicals

5.       Consulting Analysis Service:

a.       Provide installation, cleaning, start-up supervision, and training of Maintenance Personnel.

b.       Provide written instructions, dosage rates, control limits, and a complete supply of test kits, reagents and test materials.

c.       Provide a minimum of 4 quarterly Consulting Analysis Service Visits with written reports and recommendations submitted. Provide a 1-year supply of all chemicals from date of initial start-up.

Chemical Treatment and Cleaning 1-MITCO

15850 AIR HANDLING (REVISED 5/01)

1.       Condensate pans are to be stainless steel. shall be copper with an exterior clean out, and with a "P" trap installed at floor drain.

2.       All systems shall have pre-filter and final filters with magnahelic gauges.

a.       Pre-filters shall be 2" pleated.

b.       12" cube/bags shall be at least minimum 85% efficient.

                                                               i.      Specify only bag or cube final filters.

Air Filters

1 – Purolator

2 – Farr Filters

3 – Airguard

15950 CONTROLS

See Division 13800.

16000 ELECTRICAL (REVISED 2/02)

Electrical General:

1. All work shall be in accordance with N.E.C., state and local codes, UL, NEMA. 

2. Electrical Rooms:  Shall contain no foreign piping. Shall have a minimum clear height of 12’-0”. All egress and equipment access openings shall be suitable for equipment requirements.

3. Distribution panels shall be fusible switch type.

4. Branch panels shall be circuit breaker type.

5. Panel Designation shall be as follows:

XX-A-BBBC

Where XX is either RP for 208/120v; LP for 480/277v; or PP for 480v Distribution

A=Floor; BBB=Room Number; C=Letter sequence. Hallway panels get nearest room number.

Example:  The 1st 208/120 Panel located on the 3rd Floor at Room 301 will be labeled as RP-3-301A.

6. Wiremold shall be #3000 when applicable.  Alternates will be considered as required.

7. All electrical switchgear, panels, motor starters, disconnect switches etc. shall be clearly identified, i.e., "emergency transfer switch 1", not ETS-1, and "heating water circ. pump 3," not CHWP-3.

8. All grounds shall be separate green ground wire; conduit shall not be used for ground return.

9. All generators shall be natural gas where possible.

10. All transfer switches shall be 3 or 4 pole, no solid neutral.

11. All exit signs shall be diffuse face type.

12. All equipment, where applicable, shall carry Energy Star Rating (transformers, lighting, motors, etc.). 

13. For projects that retrofit an existing building, consultants shall specify panel manufacturers prevalent to the Building  (if the building presently utilizes Square D panels all new Panels shall be Square D).

 16050 Basic Electrical Materials and Methods (Revised 2/02)

1. All electrical conduits shall be a minimum of 3/4" on new installations. Existing relocation of conduit may be 1/2" if original installation is 1/2".

2. All communication conduits shall be a minimum of 1". See CWRUnet Premise Cabling specifications, Appendix A for more detailed information.

3. All security conduits shall be a minimum of 1".

4. Devices shall be 20 amps fully rated and shall be spec grade with Lexan or stainless steel device plates.

5. Exit lights shall be LED diffuse face type with battery mounted inside fixture housing where required.

6. Conduit shall be rigid galvanized steel where run from floor to 8' A.F.F. in garages, warehouses and mechanical rooms. It may be emt elsewhere. Riser penetrations shall have a 4” high curbing.

7. All distribution panels shall be fusible switch type with provisions for class RK one time delay fuses.

8. All branch circuit panels shall be bolt-on circuit breaker type, 10,000 A.I.C. breakers. New panels shall have minimum of 20% spare capacity.

9. Fuses 600 AMP and lower shall be Class RK 1, low peak time delay, 601 AMP and larger shall be Class L low peak.

10. Safety switches shall be heavy duty with provisions for Class RK 1 fuses.

11. For systems 600 volt and lower wire shall be stranded copper, 600 volt, 90 degrees C. THHN or THWN insulation, Minimum wire size shall be No.12 AWG.

12. For system above 600 volt, wire shall be copper, at rated voltage or higher, with ground shield and waterproof insulation.

13. Transfer switches shall be 3 poles for single-phase systems and 4 poles for three phase systems.

14. Provide double duplex receptacles at all CWRUnet faceplates in office areas.

15. Designs shall require affixing flash protection warning label as required by Drawing 16-1 in Appendix G

16. All receptacles on an emergency circuit are to be red in color.

16400 Electrical Service and Distribution (Revised 2/02)

1. All new switchgear shall utilize SQUARE D POWERLOGIC METERING AND MONITORING SYSTEMS, and be connected to the existing campus Powerlogic System. All CTs shall include shorting block installation. New switchgear shall be fitted out completely, blank spaces shall be allowed.         

2. All high voltage service through the metering and primary gear shall be subject to utility (The Medical Center Co.) approval in addition to CWRU's approval.

3. The installation shall comply with The Medical Center Co. specifications issued with this document as Appendix C.

 16500 Luminaries an Accessories (Revised 2/02)

1. All fluorescent lighting fixtures shall contain electronic ballast that deliver .98 or greater power factor and have less than 10% harmonic distortion; sound rating shall be “A.”

2. No incandescent fixtures shall be allowed. Use compact fluorescent fixtures.

3. Architect and/or Lighting Consultant shall conform to either I.E.S., IEEE or to the CWRU Required Lighting Levels (see below). This pertains to maximum, as well as minimum levels. Lighting calculations shall be submitted to CWRU with 90% review drawings.

4. Outdoor perimeter and walkway lighting source (HPS vs. Metal Halide) will be determined on an individual basis as defined by Campus Master Plan.

5. All fluorescent lamps shall be SP 35 color specification and shall be T-8. Preferably low mercury lamps. New construction installations may utilize T-5 lamps.

6. CWRU REQUIRED LIGHTING LEVELS

7. Motion sensors and/or EMS for lighting control shall be used in hallways, offices, classrooms and restrooms. The department shall approve use of lighting control in classrooms. Provide a minimum of one night-light in restrooms.

16700 Communications (Revised 2/02)

The CWRU campus is wired with fiber, coax and twisted pair cable. See the attached Document "A General Specification for the CWRUnet Premise Cabling System" for further information attached as Appendix A.