Public Works Department Tender

Supply & fixing of external thermal closed-cell Nitrile rubber Insulation material FM/UL approved with high water vapor diffusion resistance and low thermal conductivity should be certified 'Class O' in Fire Propagation as per BS 476 Part 6 in form of sheet on duct including cost of adhesive (CPRX Compound) complete as required. All as per pre approved by Engineer in charge.

13mm thick for Outdoor Application with 26 SWG Aluminium Cladding

SITC of Interconnecting refrigerant copper pipe for split/Ductable/ Casseette AC of DHE Grade C12200- ASTM B68, B75, chemical composition of copper %- 99.0 Min and Phosphorus %- 0.015 to 0.040 . For Annealed copper tube :- Tensile strength = 210 Mpa wih elongation % = 40 Min . Ink Mark Brand Printing on Hard Tubes should be present. Piping between each set of indoor & outdoor units of different sizes as per OEM requirement & specifications including class 'O' Nitrile rubber sleeves, chase cutting, supports, making good the same with sand cement plaster etc. as required. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure "A" attached with this BSR .

Supply & fabrication steel structure with MS channel / angle / joist / ISMB / sheet etc. including welding, rivetting, cutting, nut & bolt , one coat of primer & two coat of enamel paint etc. as required complete in all respect. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure "A" attached with this BSR .

Supply , installation, testing & balancing of 20 Gauge G I Damper with brass bushes and 6" pitch multiblade box type galvanised sheet steel construction volume control damper for Ducting and air washers to be provided with suitable links and quadrants for control of volume of air as per specifications complete as required. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure "A" attached with this BSR .

Supply and laying PVC Insulated and PVC Round Sheathed Multi Core copper conductor (IS:694) and as per IS 8130 : 2013 of 1.1 kV grade . Wire should be made from 99.90 % purity copper, stranding in acc. to IS:8130/IEC 60228 for lower watt loss , oxygen free for less chances of oxidization, insulation PVC type A/C/D , flame retardant as per IS 10810-53, better amperage rating as per IS:3961 part 5, in existing pipe / open trench / Cable tray / on surface including making connection etc. as required. For additional technical parameters of product / work refer Annexure 'A' attached with this BSR

1.5 sq.mm x 3 core

2.5 sq.mm x 4 core

4.0 sq.mm x 6 core

Supply, Fabricating & installing following sizes of perforated Hot dipped Galvanized iron cable tray ( Galvanized thickness not less then 50 microns) with perforation not more then 17.5% in convenient section including horizontal and vertical bends, reducers tees,cross members and other accessories as required and duly suspended from the ceiling with GI suspenders including GI bolts & nuts , fastners, supports etc. as required.All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure "A" attached with this BSR .

225mm x 50mm x 1.6mm

Providing and fixing of air cooled machine (only outdoor unit) with single circuit each having a capacity as mentioned below suitable for operation on Green refrigerant comprising of scroll/screw type compressor hemetically sealed complete with automatic capacity, safety switches, lubrication system, squirrel cage induction motor suitable for operation on 415 ± l0% volts 50 HZ " A.C. supply and microprossor based control panel complete with accessories, machine isolation, valve and accessories to inter connect compressor and condenser including pressure testing , vaccummizing, necessary starters suitable for compressor motor complete with O/L relay ,U/V, O/V, Incomer MCB, single phase preventers etc complete as required as per pre approved by Engineer in charge. for additional technical parameters of products/ work, refer Annexure "A" attached with Electrical B.S.R. 2021

5.5 TR Capacity

Providing and fixing of double skin modular construction, 45 mm thick PUF panels with Thermal break, draw through Floor mounted (FM) Air Handling Units, each complete with mixing box , pre filter (Washable Synthetic fibre of efficiency 90% down to 20 micron) and pre filter section, fan section with Centrifugal blower, Squirrel cage, TEFC induction two speed motor, DX cooling coils with distributor, V- belt drive arrangement, anti vibration mountings, SS 304, SWG 20, sand witch type drain pan inner ss and outer G. I. powder coated. The RPM of AHU should be less than 1000 and blower discharge face velocity should not cross 10 FPS and other accessories as per detailed specification as per pre approved by Engineer in charge. for additional technical parameters of products/ work, refer Annexure "A" attached with Electrical B.S.R. 2021

CFM Type SP Phase Coil Circuit RD

2000 FM 25 3 1 6

Providing and fixing of controller kit complete with thermostatic expansion valve, dryer, liquid line valves, brass fitting for connections as required of following capapcity as per pre approved by Engineer in charge. for additional technical parameters of products/ work, refer Annexure "A" attached with Electrical B.S.R. 2021

For 5.5 Tr circuit

Providing & Fixing of two speed digital thermostat for controlling the condencing unit to on off the compressor and Air Handling Unit as per pre approved by Engineer in charge.for additional technical parameters of products/ work, refer Annexure "A" attached with Electrical B.S.R. 2021

Supply and fixing of 12 mm thick Open cell Acoustic lining inside the ducts complete with 1 layer of 12 mm thick acosound sheet with adhesive as required as per pre approved by Engineer in charge. for additional technical parameters of products/ work, refer Annexure "A" attached with Electrical B.S.R. 2021

Providing and fixing of the flexible connections constructed out of fire retardant double canvas connection with required hardware like nut bolt, washer, GI frame etc as per pre approved by Engineer in charge. for additional technical parameters of products/ work, refer Annexure "A" attached with Electrical B.S.R. 2021

Air Handling Units

Electrical starter of required raitings for AHU complete with on/off the air handling unit with incomer MCB, DOL starter with contactor & overload relay, single phase preventer, Self illuminated on/off push botton, ammeter, sheet steel encloser as per pre approved by Engineer in charge. for different AHU motors rating. for additional technical parameters of products/ work, refer Annexure "A" attached with Electrical B.S.R. 2021

3 HP