Construction of underground reservoir with allied pipeline at Badu, Bagjola and Oldremote at NSCBI Airport, Kolkata

Amount

(A) CIVIL WORKS

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth. 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 20 mm nominal size) level :

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form for all heights : Lintels, beams, plinth beams, girders, bressumers and cantilevers.

a) Columns, Pillars, Piers, Abutments, Posts and Struts

b) Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

c) Suspended floors, roofs, landings, balconies and access platform

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more

Providing and applying integral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC structures like retaining walls of the basement, water tanks, roof slabs, podiums, reservior, sewage & water treatment plant, tunnels / subway and bridge deck etc., prepared by mixing in the ratio of 5 : 2 (5 parts integral crystalline slurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1 part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic fiber brush. The material shall meet the requirements as specified in ACI- 212-3R-2010 i.e by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline slurry shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage.

a) For vertical surface two coats @ 0.70 kg per sqm

b) For horizontal surface one coat @1.10 kg per sqm

12 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand).

Dismantling 15 to 40 mm dia G.I. pipe including stacking of dismantled pipes within 50 metres lead as per direction of Engineer- in-Charge. Exposed on wall.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc.

a) 20 mm dia nominal bore

b) 25 mm dia nominal bore

c) 40 mm dia nominal bore

d) 50 mm dia nominal bore

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge

a) 20 mm nominal outer dia Pipes

b) 25 mm nominal outer dia Pipes

c) 50 mm nominal outer dia Pipes

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) :

a) 20 mm dia nominal bore

b) 25 mm dia nominal bore

c) 40 mm dia nominal bore

d) 50 mm dia nominal bore

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality:

a) 20 mm dia nominal bore

b) 25 mm dia nominal bore

c) 40 mm dia nominal bore

d) 50 mm dia nominal bore

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Providing and fixing gun metal gate valve with C.I. wheel of approve quality (screwed end)

a) 20 mm nominal bore

b) 25 mm nominal bore

c) 40 mm nominal bore

d) 50 mm nominal bore

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer's specification.

Supplying and fixing C.I. cover without frame for manholes :455x610 mm rectangular C.I. cover (light duty) the weight of the cover to be not less than 23 kg

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more

Providing and laying Ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand), Jointing with grey cement slurry @ 3.3 kg/sqm including pointing the joints with white cement and matching pigment etc., complete.

Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (GlazAnodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15)ing, paneling and dash fasteners to be paid for separately) :

Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge. (Cost of aluminium snap beading shall be paid in basic item):With float glass panes of 4.0 mm thickness (weight not less than 10 kg/ sqm)

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound) content. With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gms/litre, of approved manufacturer, of required shade and colour complete, as per manufacturer’s specification.

(B) ELECTRICAL WORKS Supply of Horizontal openwell Submersible Pump of 2HP capacity having 2800RPM (Revolution per Minute.) along with suitable rating starter to deliver 305 LPM (Litre per Minute) at 11 Mtr. head etc. as complete set. Make - KSB, Model - MR(S)20X or equivalent as per AAI approved make. Installation testing and commissioning of Horizontal Submersible Pump, suitable for operation on 220 V ±10%, 1 phase, 50 Hz A.C supply, including necessary length power cable of suitable size (Minimum 10 Mtr. length) and along with suitable length and size SS rope wire for lifting and lower of the same as per OEM Recommendation, indoor type DOL starter of required rating (M.S. Fabricated in cubicle box).

Supply of Horizontal openwell Submersible Pump of 2HP capacity having 2800RPM(Revolution per Minute) along with suitable rating starter to deliver 245 LPM (Litre per Minute) at 21 Mtr. head etc. as complete set. Make - KSB, Model - MR(S)20X or equivalent as per AAI approved make. Installation testing and commissioning of Horizontal Submersible Pump, suitable for operation on 220 V ±10%, 1 phase, 50 Hz A.C supply, including necessary length power cable of suitable size (Minimum 10 Mtr. length) and along with suitable length and size SS rope wire for lifting and lower of the same as per OEM Recommendation, indoor type DOL starter of required rating (M.S. Fabricated in cubicle box).

Supply of Horizontal openwell Submersible Pump of 1.5 HP capacity having 2800RPM(Revolution per Minute) along with suitable rating starter to deliver 330 LPM (Litre per Minute) at 11 Mtr. head etc. as complete set. Make- KSB, Model - MR(S)15X or equivalent as per AAI approved make. Installation testing and commissioning of Horizontal openwell Submersible Pump, suitable for operation on 240 V ±10%, 1 phase, 50 Hz A.C Supply, including necessary submersible power cable of suitable size (Minimum 10 Mtr. length) along with suitable length and size SS rope wire for lifting and lower of the same as per OEM Recommendation, indoor type DOL starter of required rating (M.S. Fabricated in cubicle box).

Supply of Horizontal openwell Submersible Pump of 1.5 HP capacity having 2850RPM(Revolution per Minute) along with suitable rating starter to deliver 100 to 117 LPM approx. (Litre per Minute) upto 40 Mtr. head etc. as complete set. Make- KSB, Model - CORA 7C/07+XUMA DX(S)100-6/22 or equivalent as per AAI approved make. Installation testing and commissioning of Horizontal openwell Submersible Pump, suitable for operation on 240 V ±10%, 1 phase, 50 Hz A.C Supply, including necessary submersible power cable of suitable size (Minimum 10 Mtr. length) along with suitable length and size SS rope wire for lifting and lower of the same as per OEM Recommendation, indoor type DOL starter of required rating (M.S. Fabricated in cubicle box).

Supply of following size 1.1 kv grade, FR PVC Round Sheathed, Flexible Copper Conductor conforming to IS: 694 with up to date amendments etc. complete as required 3C x 4 Sq. mm.

Supply of following size 1.1 kv grade, PVC insulated and PVC sheathed copper flat cable conforming to IS: 694 with up to date amendments etc. complete as required 3C x 4 Sq. mm.

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed steel conduit as required. 2 X 4 sq. mm + 1 X 4 sq. mm earth wire

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed steel conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required Group C

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Excavation of the cable trenches in hard rock not exceeding 1.5 metres in width, and lift upto 1.5 metres, including getting out the excavated soil and disposal of excavated soil as directed within a lead of 50 metres.

Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required 40mm dia

Supply of 1 Phase, 1.5 TR split type of 5 star rating Inverter type Air-conditioners along with high wall type indoor unit suitable to operate from 230±10%, 50 Hz, 1 phase power supply (along with necessary wiring from nearest power source to the required outdoor and indoor units) having high EER Compressor with Indoor & Outdoor Copper coil refrrigeration having aluminum fins firmly bonded to copper pipe & copper pipe insulation assembled in zinc coated steel frame with Eco friendly R 32 or equivalent Refregiration Gas alongwith copper conductor PVC insulated PVC sheathed multicore power cable from indoor to outdoor unit. The indoor unit should have real time clock, operating facility from cordless remote, along with time and temperature display. Outdoor unit to be installed as Directed by Engineer-in-Charge.

Supplying and fixing 20 Amps., 240 volts, SPN industrial type, socket outlet, with 2 pole and earth metal enclosed plug top alongwith 20 Amps., 'C' Series, SP MCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket outlet and complete with connections, testing and commissioning etc as required.

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C"curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required Double pole

Supply and fixing of Sheet steel DP MCB enclosure 2Way with necessary earthing etc. as required.

Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required.

a) 5/6 A switch

b) 15/16 A switch

c) 3 pin 5/6 A socket outlet

d) 6 pin 15/16 A socket outlet

Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc.

a) 3 Module (100mmX75mm)

b) 8 Module (125mmX125mm)

Supplying and fixing of following sizes of steel conduit along with accessories in surface/recess including painting in case of surface conduit, or cutting the wall and making good the same in case of recessed conduit as required 25 mm

ITC of 1.5 TR Split High Wall Inverter AC along with Outdoor/ Indoor unit suitable to operate on single or three Phase Power supply.

SITC of Control panel of 1.5HP of Horizontal openwell Submersible Pump of Make- KSB, Model - CORA 7C/07+XUMA DX(S)100-6/22 etc. as required.

M/s. A S Traders

Paul Construction