Public Works Department Tender

Supplying and filling of gravel by lorry in basement filling stacking for premeasurtement including conveyance loading and unloading charges and all other incidential charges filling laying watering and consolidation etc., complete as directed by the Dept., Officers with standard specification.

Supplying and filling in foundation, basement, etc with filling M-Sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Brick work in Cement Mortar 1:5 (One Cement and Five M-Sand) using best quality II class ground moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4" including neat finishing, curing, etc., complete complying with standard specification.

For Foundation and Basement

For Superstructure in First Floor

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

Providing and laying in position, standardised concrete Mix M-20 Grade in accordance with IS:456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of M-sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

For Foundation and Basement

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Plain Cement Concrete 1:2:4 (one cement, two M-Sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Supplying and fixing by drilling holes and not by punching for roofing with pre painted Galvalum sheet of 0.47 mm thick of best approved quality with required size with curved shape and white ridge sheet with necessary bolts and nuts bitumen washers. including cutting the sheet to the required size found necessary during execution etc., complete complying with standard specifications [ The sheet should be got approved by the Executive Engineer before use on work]

Supplying fixing and errecting of steel roof trusses and roof truss purlins fixing for PPGL sheet roofing using MS. square tube of size 50x50x4.50 mm raffter, Tie angles and MS square tube of size 50x50x4.50mm for sturts and MS plat of size 12 mm thick for fixing PPGL sheet. The purlins using MS square tube of size 38x38x4.05 mm shall be properly anchored to the supporting super structure and fixed in concrete at wall and spacing of purlins are to be arranged to use the standard size or sheet and spacing should not execeed 1680 mm and free over hang at eves should not be more than 400 mm, the cleats shall be wellded to the trusses firmly and fixed on the down stream side of purlins. The ridge purlins fixed at 77 to 115 mm away the apex of the roof. The trusses shall have welded joints only at all guessets plate junctions except gussets at bottom chords to have bolts and nuts to permit transportation of trusses as directed. The foundation anchor bolts of trusses will be fixed in concrete at wall in bed blocks and well cured, labour for erection of trusses of approved quality transportation, priming coat for all members, cutting, bending, and welding etc., The trusses should be connected at bottom 1 / 3 part by steel tie angles and with top and bottom wind bracings as per design given. The chord of the trusses of bottom channel should suitablely cambered. The truss and purlins should be given priming coat of Rex Oxide primer of approved quality including labour for erection, transportation, wellding etc., complete complying with standard specification.

Supplying and fixing of M.S.grill of approved design for grill gate, grill work to doors and windows openings ramp etc., using necessary mild steel flats for inner and outer members which should be fixed on edges including priming coat of best approved quality red oxide primer etc., complete complying with standard specification.

Plastering with Cement Mortar 1:5 (One cement and Five M-Sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Painting two coats of plastered wall surface with ready mixed Exterior emulsion paint of first class quality and of approved colour including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Supplying and painting the walls with two coats of oil bound distemper including cost for distemper, cleaning and scrapping the walls, rendering the walls smooth with necessary putty, brushes, scaffolding arrangements, labour charges, etc., as per standard specification. (The colour and shade of the distemper shall be got approved by the Executive Engineer before use of work).

Supply, erection, testing and commissioning of Fire Fighting Application Horizontal Centrifugal Type Pump rated for 1620 LPM at 40 metres head with Electrical Motor of 35HP of 415 volt, 3 phase connection complete with base plate and accessories. (Make Kirloskar or Equivalent). The rate inclusive of neessary vibration, bed mounting, etc., as perstandard specifications and as directed by the DepartmentalOfficers.

Supply, installation, testing and commissioning of Diesel Engine Driven Main Fire Pump suitable for automatic operation and consisting of followings complete in all respects as required. a. 1 No. horizontal split casing centrifugal type fire pump capable of delivering 1620 LPM against a total head of 40 metres, so as to ensure a minimum pressure of 3.5 kg. per sq.cm at the farthest top most hydrant / outlet with pump casing of cast iron to grade FG 200, IS 210-1978 and parts like impeller, shaft sleeve, bearing ring, etc., of non-corrosive metal either like bronze, brass or gun metal and shaft of stainless steel. b. 36 BHP, 1500 RPM water cooled with radiator, diesel engine conforming to relevant BS & IS standard complete. c. Auto starting mechanism, 12 volts / 24 volts electric starting equipment like self motor, dynamo, solenoid switches etc. d. 110 litres capacity diesel tank mounted over stand fabricated using 25mm x 25mm x 6mm size MS angle providing with level indicator, inlet port, outlet port, drain port and diesel return line port and fuel pre filter, after filter etc., e. Exhaust system having flexible metallic mufler, 100mm dia MS heavy pipe extended upto 1m outside pump house duly insulated with 50mm thick glass wool with 1mm thick aluminium sheet cladding, residential silencer with necessary MS support arrangements from wall or ceiling as per site condition.

f. Dash board consisting of the instruments like Temperature Gauge, Galvano Type DC Ammeter, Lubricant Oil Pressure Gauge, Ignition Switch, Emergency Stop and all other protection equipments as per specification, stop soleneid for auto stop in the event of fault with audio indications, painted with Post Office Red Colour etc., as required. g. 12 V / 24 V, storage battery, maintenance free tape, 180AH rating. MS fabricated common base plate, coupling guard, foundation bolts, etc., as required. h. Positioning the Diesel Engine Driven Fire Pump over cement concrete foundation using suitable size anti vibration mounting arrangements. All works including conveying, fixing and incidental charges, etc., completed as per standard specification and as directed by the Departmental Officers. (Make: KIRLOSKAR / EQUIVALENT).

Supplying, erection, testing and commissioning of Diesel Engine Pump Main Control Panel & Jockey Pump including necessary auto cut-in, cut-off and manual operations, battery charger switch arrangements, voltmeter, ammeter and running indication siren provision, wall mounting type, etc., as per the standard method and as directed by the Departmental Officers.

Supply and laying of following sizes of Armoured Aluminium / Copper Cables for electrical motor, control panel, pressure switch, jockey motor etc., all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., complete as per standard specification and as directed by the Departmental Officers. Make: POLYCAB / PARACON / FINOLEX / EQUIVALENT

3 core 10 sq.mm. armoured copper cable

10 core 2.5 sq.mm. armoured copper cable

2 core 2.5 sq.mm. armoured copper cable

Supply, erection, testing and commissioning of suitable Pressure Switch of reputed make line Indfoss or Donfoss including necessary valves, couplings, etc., connected with electrical main control panel and setup at proper differential so as to auto start and auto stop the electrical motor, jockey motor including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., completed as per standard specification and as directed by the Departmental Officers. Make: DONFOSS / INDFOSS / ISI MAKE / EQUIVALENT.

Supply, erection, testing and commissioning of Pressure Gauge with 0 to 14 kg. range of reputed make with necessary valve, milling thread MS coupling fixed at delivery pipe line in pump house to read the developing pressure including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., complete as per standard specification and as directed by the Departmental Officers. Make: H-GURU / ISI MAKE / EQUIVALENT.

Earthing arrangements with GI Earth Plate including charcoal and salt with necessary excavation in all soils and to full depth as may be required and masonry work, re-filling the sides of foundation with excavated earth as per the standard specification and as directed by the Departmental Officers.

Supply, erection, testing and commissioning of Air Release Valve of 20mm dia, so as to release airlock in 100mm dia MS pipe at top most wet riser, including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., complete as per standard specification and as directed by the Departmental Officers. Make: KARTAR / EQUIVALENT.

Supply, erection, testing and commissioning of Cast iron body and Gun metal or stainless steel internal Non-return valve of following sizes to control one way flow of water to be installed pump room at delivery line and near overhead tank at terrace level near to jockey pump and motor including necessary MS flange of table ‘E’, gaskets, bolts & nuts, etc. as per IS 5312 including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., complete as per standard specification and as directed by the Departmental Officers. 150mm dia

Supply, erection, testing and commissioning of Gun Metal Gate Valve of size 50mm dia size including necessary MS flange of table ‘E’, gaskets, bolts & nuts etc., installed at pump house delivery line for the purpose of priming water to suction line including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., complete as per standard specification and as directed by the Departmental Officers. Make: LEADER / EQUIVALENT

Supply, erection, testing and commissioning of cast iron body and bronze internal non-rising spindle sluice valve of size 150mm dia at required places to control the flow of water including necessary MS flange of table ‘E’, gaskets, bolts & nuts including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., complete as per standard specification and as directed by the Departmental Officers. Make: NORMEX / KARTAR / EQUIVALENT

Supply, erection, testing and commissioning of following size 100mm dia of Heavy Duty Foot Valve including all accesories, such as,MS flange of table ‘E’, gaskets, bolts & nuts, etc., installed at end of 150 / 200mm dia suction pipe line at sump including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., complete and as per standard specification and as directed by the Departmental Officers. Make: NORMEX / KARTAR / EQUIVALENT

Providing, fixing pipe supports from columns / wall or suspenders from roof slab to suit various dia of pipes made out of GI / MS adjustable rods threaded for a sufficient length to adjust the height of support along with clamping arrangement for holding pipes of anchor fastening, arrangement design of hanger and should confirm with specification. 100mm dia

Supply, erection, testing and commissioning of following MS ‘C’ Class Heavy Duty Pipe as per IS 1239 to withstand a developing pressure of 10 kg. / sq.cm including necessary fittings like MS flange of table ‘E’, elbows, reducers, gaskets, bolt, nuts with washers & joints as per standard method of arc welding, including one coat metal primer and two coat Post Office Red painting including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary, etc., complete as per standard specification and as directed by the Departmental Officers. Make: JINDAL / EQUIVALENT 150mm dia

GST 18%