Public Works Department Tender

Supply and installation of Ball Valve

Supply and installation of refrigerant Pipe for Package Unit of interconnecting hard drawn copper pipe with necessary supports, Elbo & joints of following size a. 28.6mm Dia (1 1/8")

b. 15.9 mm Dia (5/8")

Modification of existing Ducting with fabrication, supply, installation, testing & commissioning of following gauges complete with, supports, dampers, and turning vanes for Supply & Return Air Duct. as per the new 7.5TR package unit with canvas connection and plenum box wherever required (SAIL / Tata ) a. 22 Gauge

b. 24 Gauge

Supply & Fixing Nitrile rubber Pipe insulation of 9mm thick on Suction Line Copper Pipe of dia 28.6mm Dia (1 1/8"). MK: supreme/Armacell/Kflex/Accoflex

supply and installation of Volume control Damper wherever required (Make - Systemair / Air Enterprise / Premire / Caryaire / Airmaster)

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. (vide CPWD DSR 2022 page no-- 52, item-- 16.20) Make - Systemair / Air Enterprise / Premire / Caryaire / Airmaster a. Fire Damper

b. Actuator

Supplying and fixing of 19mm thick duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class "O" ) insulation on existing duct after applying suitable adhesive for Nitrile rubber.The jionts shall be sealed with 50mm wide and 3mm thick self adhesive nitrile rubber type insulation complete. (Make: Armacell / K Flex / Supreme).

supply and fixing of 10mm thik Acoustic insulation of duct with fire retardent closed cell, tri-dimentional chemically crosslinked polythylene foam insulation material shall be supplied with factory applied pressure sensitive adhesive and protective cover. (Make: Armacell / K Flex / Supreme).

Flexible double canvass connections for packaged airconditioners

Supply and installation UPVC pipe (make-- Finolex/ Oriplast/ supreme) for Drain with 9mm thick Class O fire rated nitrile rubber insulation a. 32 mm Dia

Supply and installation of following Cable for Power supply and Control a. Supply & Laying of 4C, 25 Sqmm Armoured Aluminium cable for 7.5TR Package Unit (make--Havells/Gloster/KEI/Polycab/RR kable)

b. Supply & Laying of 3C, 2.5Sqmm Copper Cable for Control.

c. Supply & Laying 4C x 4 Sq mm XLPE insulated armoured copper power cables.

d. Supply & Laying of 8 SWG GI earthing Wire.

Supplying, fitting & fixing of Aluminium fixed partion wall of all aluminium sections viz top, bottom and side member, intermediate member, glazing clip made of Aluminium Alloy Extrusions conforming to IS: 733-1983 and IS: 1285-1975, annodized conforming to IS:1868- 1983, fitted with all other accessories viz. EPDM gusket,cleat, angle screws etc. including labour charges for fitting and fixing of aluminium fixed partition wall with glass / panel board all complete as per architectural drawings and direction of Engineer-in-charge. (Excluding cost of glass/ panel board, 10-12 Micron thickness Annodizing film. Natural white. a) for unsupported length of vertical member upto 1.50m. height of both ends of vertical member restrained but panel with in 0.90 sqm (PWD Schedule page no-246 item -17) unit wt of Top, bottom & side member @1.366 kg/m ; intermediate member @ 1.443 kg/m; glazing clip: 0.167 kg/m respectively) [Note : for estimate purpose construction wing may consider weight of Al-Sections for Partition wall @ 5.7 Kg per Sq.M]

Wall panelling / partition with Melamine faced 3 layered flat pressed wood particle board of approved make and brand as per direction of Engineer - in - Charge of requisite grade bonded with phenol formaldehyde synthetic resin conforming to IS: 848 - 1974 (excluding the cost of supporting frame work and teak wood battens / lipping (PWD Schedule page no-172 item -1) (ii) Both side decorative laminate (a) Exterior grade (9mm thick)

Supplying, fitting & fixing in position suspended false ceiling with frame work of aluminium hollow section of size 50mm x 25mm (2.0mm thickness) combined with aluminium corners of size 38mm x 25mm, suspended by aluminium hollow tube section of size 38mm x 25mm having size of 600mm x 600mm ceiling with aluminium composit panels (ACP) - Interior grade of thickness 3.0mm comprising of protective film, polyester coating, primer, aluminium coil, adhesive film, polyethylene core again with one layer adhesive film, aluminium bottom coating and finally service coating as per manufacturer's specification finished with aluminium screw and silicon sealent complete in all respect including all incidental charges etc. as per direction of Engineer - in - charge. (PWD Bldg Schedule, Part G,P / No. 167, Item 22)

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. ( structural Drawing should be approved from EIC before start the job) (structrural work required for outdoor unit/ indoor unit platform/ suspension/ )

Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. i) For structural members of specified sections weighing less than 22.5 Kg./m (PWD Bldg Schedule, Part F, Page No. -99, Item 1)

Supply and fixing of perforated cable tray (with powder coating) with necessary supports to hold refrigerant pipe without cover. A) 200X50X1.25mm width

Supply & delivery 2.0 TR capacity concealed type Split Air Conditioner of rated cooling capacity of 24000 BTU/hr, with 1 No. Rotary compressor, 1 No. IDU of rated power supply - 230V - 1ph-50Hz, 1 No. ODU of rated power supply - 230V, 1ph, 50 Hz, Air-flow/per IDU :- 800cfm, (Gas : R410A )(Make : Hitachi / /Blue ster/Voltas)

Erection, testing and commissioning charges for the above said 2.0 / 1.5 TR concealed Split AC. The Indoor (IDU) & Outdoor (ODU) unit must be supported by structure made of 40 x 40 x 5 mm amgle and tie rod incl. necy. Painting & as per direction & satisfaction of EIC.

Copper Refrigeration pipe line for Liquid Line hard drawn Cu piping (1/4" OD with 0.6 mm thick) & Copper Refrigeration pipe line for Suction Line hard drawn Cu piping (5/8" OD with 0.7 mm thick) with necy supports & brackets as per direction of EIC

Supply & Fixing of Nitrile Rubber tube insulation (make : Twiga/ supreme) of 9 mm thick on Suction & Liquid Line Copper Pipe.

Charges for Scaffolding arrangement including lifting for outdoor & indoor units.

(Rate should be quoted inclusive of all taxes & duties)