Construction of Cut and Cover to drain out the flood water in TNHB thirunindravur village of Avadi Taluk in Thiruvallur District

Amount

Clearing scrub jungle etc, complete complying with standard specifications and as directed by the departmental officers

Earth work excavation in all soils and conveying for formation of bund with a lead 0 to 100m deploying earth moving machineries and tippers, refilling the excavated earth for formation of bund, excluding bencing, breaking clods, sectioning, and extra watering, consolidation with power roller etc., complete complying with standard specifications and as directed by the departmental officers.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with a lead of 1km deploying earth moving machineries and tippers including bencing, formation of bund, breaking clods, sectioning, with extra watering and consolidation by power roller and including hire charge etc., complete complying with standard specifications and as directed by the departmental officers (Bund formation)

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with a lead of 6km deploying earth moving machineries and tippers including bencing, formation of bund, breaking clods, sectioning, with extra watering and consolidation by power roller and including hire charge etc., complete complying with standard specifications and as directed by the departmental officers (Coffer dam / Ring Bund)

Earth Work excavation for foundation in all soils and sub soils and to full depth as may be directed by the Departmental Officers except hard rock requiring blasting including shoring, strutting and baling out of surface water wherever necessary and refilling the sides of foundation with excavated soil in layers not exceeding 15 cm thick, well rammed and consolidated and depositing including all initial leads and initial lifts, etc., complete complying with standard specifications and as directed by the departmental officers.(Narrow excavation)

Supplying and erecting centring for vertical plain / RCC concrete walls of supply channel, retaining wall etc of follwing height with necessary supports, all cross bracing with mild steel size of 90 cm x 60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x 25 mm x 3 mm for bearing laid silver Oak / Country wood joist of size 7.50 cm x 5.0 cm spaced @ about 90 cm C / C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C / C, etc., complete complying with standard specifications and as directed by the departmental officers (Vertical centering)

0m to 2.70 m or 3.00 m

Supplying and erecting centering for sides and soffits and strutting upto 3.0 m height for plane surfaces such as RCC works etc, with all cross bracing with mild steel size of 90 cm x 60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x 25 mm x 3 mm for bearing laid silver Oak / Country wood joist of size 10 cm x 6.5 cm spaced @ about 90 cm C / C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C / C, and removing the same without any damages etc., complete complying with standard specifications and as directed by the departmental officers. (Horizontal centering)

Supplying, fabricating and placing in position of Mild Steel or Ribbed Tor Steel for all RCC works as per design & drawing given including cost of steel, binding wire and labour charges for cutting, bending, laying in position and tying with binding wire, etc. complete complying with standard specifications and as directed by the departmental officers

Supplying and filling with clean river sand in layers of not more than 15 cm thick, well watered, rammed and consolidated etc., complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of plain cement concrete M 10 grade using M Sand and hard blue granite broken stone jelly of size 20 mm size mixing with mixer machine including the cost of bailing/pumping out the surface water wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by using Vibrators, finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of plain cement concrete M 15 grade using M Sand and graded hard blue granite broken stone jelly of 60% 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers including the cost of bailing / pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by using Vibrators, finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and laying of ready mix for M 25 grade of concrete having characteristic strength not less than specified in the IS:456-2000 using ordinary Portland cement with minimum cement content of 300 kg / Cu.m confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm downgraded hard blue granite broken stone jelly and fine aggregates without fly ash as per IS 383 - 1970(2007) with suitable water cement ratio not less than 0.45 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199–1959 (2004). The initial & final setting time confirming IS 12269–1987 (2004) with maximum temperature of concrete at the time of placing should not exceed 32oc. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 – 1979 [ usual admixture – Air entraining & water reducing]. Including the cost of hire charges for pump & pumping charges to the required location and levels as specified by the Engineer–in–charge, Curing, testing, laying, compacting, consolidation by using vibrators, finishing, watering, testing charges as per IS 456–2000, 4031–(Part 3 & 6)/1988(2005) & (Part2)/1999(2004) and 516/1959(2004), 4926 – 1976(1990), mix design details to be got and approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering and cost of reinforcement grills placed in the position etc, complete complying with standard specifications and as directed by the departmental officers (RCC Works)

Supplying and fixing Bitumen felt Pad of 20 mm thickness conforming to IS for joints including cost of all materials and labours etc complete complying with standard specifications and directed by the departmental officers

Supplying and Fixing of Man holes cover (SFRC) of 600 mm X 600mm all labours, tranportation, other necesssary equipment which is essential for fixing at site etc.,omplete, complying with standard specifications and as directed by the departmental officers of work.

Dewatering using 10HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. complying with standard specification and as directed by the departmental officers.

Supplying and fixing the Cement concrete block of size 300 mm X 250 mm X 200 mm of M15 using M sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost and conveyance of all materials to work site, labour charges for fixing the same in position and including all other incidental charges, compacting, consolidation, finishing, watering, curing etc complete complying with standard specifications and as directed by the departmental officers

Fabricating, supplying and erection of Screw Gearing Steel Shutters of Size above 1.00m and up to 2.00m width consist of Skin plate made out of 8mm thick Mild Steel plate and horizontally stiffened with 100x50mm mild steel channel (ISMC) at an interval not more than 0.50m and vertical stiffeners made out of same section at an interval not more than 0.60m and provided with 8mm thick Mild Steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipments. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipments. The shutter shall be painted with two coats of Anticorrosive black paint over one coat of Red oxide primer. The rate including cost of materials, consumables, labours, power charges, conveyance charges, charges for all equipments required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers

Fabricating, supplying and fixing of Shutter Groove Angle made up of 65x65x6mm Mild Steel angle for required height including welding hold fast of size 25x25x6mm Mild steel angle 2 Nos on both sides and conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including dismantling the existing damaged groove angles, conveying and stacking at section store. The groove angle should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc., complete mplying with standard specifications and as directed by the departmental officers

Fabricating, Supplying and fixing of Top Beam made up of 150x75mm (ISMB 150) duly drilled to suit the Head Set Assembly with required bed bolt made out of 25mm mild steel round rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary Fish plate made out of 12mm mild steel plate of size 0.30 x 0.15m 2Nos with required holes. Conveying and leading the top beam arrangements to the work site. Fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking and the section stores. The top beam should be painted with two coats of AC black paint over one coat of Red Oxide primer. The Rate including cost of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc.., complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing of Head Set Assembly Medium duty with hexagonal nut (approximate 70 Kg) made up of cast iron including moulding, machining and the hexagonal nut made up of gunmetal threaded to suit the Screw Rod provided with thrust bearings for smooth operation. Conveying and leading the head set assembly to the work site. Fixing the head set assebly to the top beam by using required rust free bolts and nuts in proper alignment. The Head Set assembly supplied with operating key and the both should be painted with two coats of anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for all machining equipments, conveyance charges for labours and materials and warranty of 5 Years etc., complete complying with standard specifications and as directed by the departmental officers

Fabricating, supplying and fixing of 63mm dia Screw Rod made up of Mild Steel duly machined and fully threaded to suit the Head set Assembly and provided with required holes. Conveying and leading the screw rod to the worksite. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod,conveying and stacking at section store. The Screw rod should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance charges for labours and materials and warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers

GST 18 % in Figures

M/s.PPS Construction (BID ID -1387172)