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w[3 8 MOUIFICA'PIOPfS TO C1LAtZLG;iChTE WF,ST FACILiTY ~. xF. -4.-V2 UPPF.R FLOOR . Charlesgate West entrance 1. Mod~fy door and sill to provide rodent-proof closure. 2. Reconscruct outer walkway to provide a step up to entrance door and seal reconstruction to prevent precipitation drainage into foundation wall. South,office ;uite Dixide south office into two offices with an N-S soundproof partition as shown on planiand install access doors as shown. 3. Provide general! office lighting, electrical outlets for lamps and office ,_ machines, and all-season air conditioning using normal office supply and recirculation rates. North office < 1.- Extend partitions to ceiling, provide door to reception area, finish. 2. Same as item B-3. . Reception area 1. Construct N-S partition 6-ft. west of Charlesgate West entrance. Parti- Eliminate existing door into south office. tion to cont'ain reeeptionist's glass window and an access door. Construct N-S partition at the location of the existing west wall of the south office with door•to lab area. .1. -Toilet to contain one toilet bowl, one washstandland a mirror. Provide general lighting and normal one pass all-season air conditioning. Use construction materials for floor, walls, and ceiling suitable for toilet room without shower facilities. F.' East lab - Provide and install 5-ft. lab hood with discharge to roof through unit exhaust blower. Exhaust capacity, 1,000 cfm. Construct chemical storage closet as shown on plamand provide (a) unit exhaust blower with capacity of 2.5 a.c per hr. (b),storage shelves (c) lighting. W , ~ ~ .;a ~ O Lz=

® -4 . Construct floor to ceiling N-S partition between east and west labs with 20% glass panel area. ' Provide and install' 20-ft. of lab bench with sink and cabinets under and over and electric service outlets. Provid,e normal lab illumination, all!-season air conditioning using,norma.l office supply and recirculation rates except minimum supply must be 1,000 cfm to satisfy hood requirements. West lab ' 1. Same as F-4. 2. Same as F-5 except no minimum cfm~reqnairement. Access corridor 1. Construct a floor to ceiling E-W partition extending,north wall of south office to change room shown on plan. Partition is (a) to contain 40% glass (b) to be flush on south side and coated with plastic surface. Change room Provide two N-S partitions with one 30-inch door with light in each. New rodent quarters 3. Provide clothing storage racks against north wall. 2. Provide normal lighting. Ventilation not required. Remove fire door in south wall and fill opening flush to rest of wall. InstalL monolithic epoxy floor and baseboards. Replace acoustic tilie ceiling with metal panels and flush lighting fixtures capable of being sealed with washable plastic coating. Provide 100 f.c. Provide 15 a.c. per hr. one pass all season air conditioning; introducing supply at ceiling of north portion and removing it via a south wall plenum as in pigeon lab. All walls to be flushy smooth, and coated with washable plastic from baseboards to ceiling. Provide and install 10-ft. lab bench with sink and cabinets under and over. Provide and install convenience electrical outlets at lab bench and at other locations. . Aerosol lab . Construct floor to ceiling solid'flush~partitions for 8x10-I.D. aerosol lab with access door, as shown in plan, and finish with plastic coating.

I t . Provide and install normal lah 7Jighting and electrical outliets for instruments. . Provide and install 12-ft. of lab bench with sin_k and cabinets under and over. . Provide and install 4-ft. lab hood with indi•riduel exhaust,blouer to soof hischarging 1,000 cfm after filtration throuzh an NBS 85 prefilter and a HEPA final filter. Replace existing floor covering with monolithic epoxy floor and baseboards. Replace existing ceiling with metal panels and flush lighting to provide 1001f.c. and capable of being sealed with washable plastic coating. shown on plan. Construct E-W floor to ceiling, flush, partition xith~36-in. door as 4. Provide and install double glazing of window with inner light built flush with inner wall of room and apply a gray light-reflecting plastic film to entire glass panel. 5. Provide and install 6-ft. of bench with sink and cabinets under and over. . Provide and install 15 a•e. per hr. all-season one-pass air conditioning, introducing supply air at ceiling of N wall and removing it through a discharge plenum, attached to the S wall. 7. Provide and install convenience electrical outlets. Quarantine lock and change room., Provide 1,000 cfm of-all-season air conditioning to aerosol lab, with entire supply exhausted through lab hood. Rodent quarantine facility 4. 5. 1. Construct a N-S floor to ceiling partition with 35--iin. door as shown in plan and construct 36-in. door in existing partition to provide access to existing rodent quarters. Provide 5 a.c. per hour supply air to lock but no discharge so that room will always be pressurized relative to rodent quarters,and quarantine room by one-pass clean air. Provide and install normal flush lighting. Provide and install clothing storage racks against S-wall. Cover.walls, ceiling, and baseboards with washable plastic coating. Existing rodent quarters 1.. Replace existing floor covering with monolithic epoxy floor covering (T~ W and baseboards. ~ . Replace existing ceiling with metal panels and flush, lighting,to provide r.~ ~ 100 f.c. illumination. ~ ~ d

. Provide double glazing throughout with second panes conctructed to be Q. Lockers and toilets - pigeon facility flush with existing interior wa17s and covered with a gray light - reflecting plastic film- . Provide new NLS floor to ceiling partition and elevator lock with double doors as shown on plan. on plan to separate animal quarters from smoke exposure facility and . Provirle new E-W floor to ceiling partition with double doors as shown workers' sanitary facilities. Recover treads withia non-slip material. Provide and install adequate and accessible lighting for each flight. . Stairs . Install a shower in each toilet room with bench and clothing,hooks. LOWER FLOOR . Construct dual locker-toillet facilities as shown on plan. 3. Same as E-2. 4. Same as E-3. . Same as E-1. R. Storage closet, E-wall Construct storage clost with shelves, hooks, and access doors as shown ` on plan. New E'-W partition 1. Construct partition from'floor to 8-ft. height from E-vall to west side of stairs with southward return to meet existing equipment room wall, as shown on plan, with doors as indicated. 2. Construct ceiling, from new E-W partition to S-wall, with adequate strength and smooth surface to support over-ceiling storage up to a uniform or jtD lb./sq,. rt. and provide and install a sturdy movable ladder resting on wheels and hung from a rail at the top to provide access to storage area. ....:,..::e~:.c-: ~

1 . Shop s r. Provide and install split 60-in. door as shoan on~plan. Provide all-season air conditioning using normal office supply and recirculation rates. . Provitle 100 f.c. illumination. 4. Provide electrical outlets of adequate capacity for model shop (small)! machine tools. . 5. Provide exhaust ventilation capacity of 100 cfm for a soldering and welding bench and discharge air to roof withiblower switch at work bench. Install standard tile flooring. 7. Provide and install 24-ft. shop bench Office/lab (undesignated usage space) and storage closet. . Partition and provide with standard office (a)'illumination (b) all- season air conditioning and (c) convenience electrical outlets. 2. Same as J-4, utilizing excess capacity of newly installed pigeon lab - HVAC system. . Same as J4-2. . Pigeon quarantine Instal!1 metal ceiling panels and recessed, flush lights capable of being sealed with washable plastic coating. Provide 100 f.c. illumination. '5 . P'V_ .. -14 . Same as J-5. .5. Same as J-6 except install 6-ft. instead'of 10-ft. 6. Same as J-7. Provide and install normal storage room shelves and bins. Provide vermim-proof partitions and joinings to floor and ceiling. 3. Provide and install double 6-ft. wide door with lock. 5. No ventilation, flooring, or special wall and ceiling finishes required. 4,. Provide and install normal storage room illumination. X. Under stairs locker and change room M .~i 1. Enclose under stairs area with floor to ceiling partitions. ~ ~ . Install duali locker rooms with bench in each, .i~ ~ Enclosed dry storage 0 dh--,~ ~~

Provide normal locker room illumination, alli-season air conditioning, flooring, and surface finishes, Provide and install access doors shown on plan. It is intende&that access to and from stairs shall be through locker room. Provide and installi clothes storage rack against N wall of locker room for visitor usage. Air compressor/vacuum cleaner enclosure system exhauster and dust collector with aceess door adequate for removing existing air compressor and "to-be-imstalled" central vacuum cleaning Provide and install a soundproof and leak proof enclosure around and over vacuum cleaner dust hopper to outside for emptying. . Provide and inst'aLll sound and vibration suppression mountings for existing k. Provide and install' normal lighting for maintenance functions. top of the enclosure to the outside via the same west window. to bottom of enclosure and exhausting via a mechanical blower from the by drawing in outside air through an overhead duct running from west window, air compressor. . Provide and install enclosure ventilation system to provide 10 a.c. per hr., . Construct lOxl3-ft. lunch room with 8-ft. ceiling, glass wall lights, and access door as shown on plan. ' Provide and install normal illumination and all-season air conditioning, wal!1-to-wall carpeting, electrical outlets to service coffee machine, refrigerator, toaster-oven, etc. 3. Provide and install 6-ft. drainboardi sink and! counter with cabinets over and under. 4. Provide and install "small" refrigerator for human food storage. AA. Cage washer 1. Provide and install electrical and water services along N wall' west of lunch room for existing humidor, animal refrigerator, and eommerciali feed mixer. 1. Provide and install cage washing machine in existing cage wash room. Mr. V. Pochay to select model and designate operating,temperature. _ BB. Service area - (NW corner) Provide and install (a) normal illumination for a service area (b) winter heating (c) summer ventilation but not air cooling. 3. Paint all surfaces including floor with washable plastic coatings. `-n `=

1. It is intended that existing all-season central system HVAC units will be . utilized in a partial reciruclation mode for offices, laboratories, shopy locker rooms, service areas, and lunch room. Each space will be provided with a thermostatically controlled mixing box for temperature control. 2. A new all-season HVAC unit will be provided and installed to produce 72F ± 2° and 50% RH ±•.5% year round in the existing rodent quarters, the new rodent quarters, and the rodent quarantine room. Each of these rooms is t,o have individual one-pass supply and discharge ducts in such configuration that cross circulation from room to room is impossible. In addition, supply and exhaust vol'umes for each of these rooms must be individually adjustable-so as to maintain each space at a predetermined pressure relative to ambient' and contiguous spaces. To assure correct temperature, humidity, and pressure, each of the rodent rooms is to be provided with appropriate wall mountediindicating instruments and', in addition, wall mounted pressure indicating instruments are to be installed in change room, lock, and access corridor. - Window mounted air conditioners in existing rodent quarters are to be retained and maintained„as emergency ventilating,and cooling units. One unit is to be piped to supply the new rodent room, one is to be piped to supply the pigeon room, and the third is for the existing rodent room. . An emergency gasoline-powered generator is to be provided and~installed ia the downstairs service area with appropriate manual switching gear to power the three emergency HVAC units noted in 3, above. DD."Central, vacuum cleaning system 1. A Spencer vacuum eleaning System capable of servicing,three outlets simultaneously and equipped with centrifugal and fabric dust collectors is to be provided and~installed on vibration and sound suppressing mountings within the designated first floor soundproof enclosure. Cleaned exhaust air to be discharged'through west window. 2. From central location, conveninece outlets are to be provided and installed to all areas based on recommendations of Spencer engineer. of Spencer enginecr.. I 3. Cleaning hoses and attachments are to be provided based on recommendations EE. Structural improvement 1. Entire building is to be made rodent- and insect-proof by a careful search for and elimination of all means of access from the outside and concealment inside. Special attention is to be given to foundation walls, access'doors, windows, elevator, floor drains,, and building service entries. `=

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