Construction of retaining wall in Gerugambakkam channel at Pachaiammai Nagar and Manapakkam channel at Madha Nagar, Mahalakshmi Nagar and Azwancheri in Madhanandapuram, Mugalivakkam and Gerugambakkam Villages of Alandur and Kundrathur Taluk of Chenna

Amount

Earth work excavation in all soils except Medium rock/hard rock requiring blasting and conveying for Formation of bund with lead 10 Km by deploying earth moving machineries and tippers Excluding benching old embankment and including Compacting the earth by extra watering and consolidation by using power roller including hire charges etc. complete complying with standard specifications and as directed by the departmental officers

Earth Work Narrow 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.

Supplying and spreading River sand - gravel mix ratio of 1 : 1 for 10 cm thick over the top of bund and other places as required at site of work including watering and consolidation using power roller, 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 finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and laying of ready mix for M 30 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Ordinary portland cement with minimum cement content of 300 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without flyash 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 320C. 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 ]. Iincluding the cost of hire charges for pump and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering placed in position etc, complete complying with standard specifications and as directed by the departmental officers. (RCC work)

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)

0 to 2.70 or 3.00m

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, providing and fixzing chain link fencing 2"x2" using 10 guage Galvanised iron wire mesh of size 2.0 x1.50 metre over existing RCC Wall which is stiffended by horizandal MS flats (double flats) of size 30mm width x 6mm and fixed to MS ISA 75x75x8 mm of hight 2.00 m c/c and fixed on the wall by concrete PCC M15 using 20mm of size 0.30m x0.30m x0.15m and welded to angles at site as directed by the department officer and drawing. The rates including welding, fixing, painting, labour charges for drilling RCC Wall work, concreteing, ramming, consolidation, compacting, watering, curing etc complete complying with standard specifications and as directed by the departmental officers

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.

Conveyance of excavated earth by using tippers with a lead of 7.0Km including the cost for the levelling the dumped earth uniformly in dumping yard including loading and unloding as directed by the departmental officers. complete complying with standard specifications and as directed by the departmental officers

Shoring, and Strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from ground level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stackingit safely for other uses. It includes the cost of sheet piles and casurina poles including labour charge for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing casurina poles,etc., (0 to 3m) complete complying with standard specifications and as directed by the departmental officers

Providing, laying, spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thick, including premixing the materials with water at OMC in mechnanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base/Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete complying with standard specifications and as directed by the departmental officers

Providing and laying Prime Coat over WBM/WMM surface using 7Kg of Emulsion Bitumen (SS1) per 10 sqm for preparatory to another bituminous construction over it including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc. complete complying with standard specifications and as directed by the departmental officers

Providing and laying Tack Coat over WBM/WMM surface (treated with primer) using 2.50Kg of Bitumen Emulsion (RS1) per 10 sqm for preparatory to another bituminous construction over it including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc. complete complying with standard specifications and as directed by the departmental officers

Providing, laying 50mm consolidated thick Bituminous Macadam using 0.20cum of 26.50- 13.20mm, 0.43cum of 13.20-2.36mm and 0.08cum of 2.36mm & below size IRC metal with 37 Kgs of VG30 Grade bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen, aggregate and mixing them in required temperature using Central hot mix plant 20-30ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 50mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne Vibratory Roller to the required density etc., including labour for attending to paver to site etc., including hire and fuel charges for 20-30t CMP with bitumen boiler, tipper trucks, Paver Finisher, Vibratory roller and all other tools and plant required, including all other incidental charges etc., complete complying with standard specifications and as directed by the departmental officers

Providing and laying Bituminous Concrete to 30/40mm thick using 0.13 cum of 19.00- 9.50mm, 0.17 cum of 9.50-2.36mm and 0.26 cum of 2.36 and below with 50.30kgs of VG30 bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne Vibratory to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20-30 t CMP with bitumen boiler, tipper trucks, Paver Finisher, Vibratory roller and all other tools and plant required, including fuel and all other incidental charges etc., complete complying with standard specifications and as directed by the departmental officers

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriageofmixed Material to work site, spreading inuniform layers with motor grader onprepared surface and compacting with vibratory soil compactor to achieve the desired density, complete as per clause 401 etc., complete complying with standard specifications and as directed by the departmental officers.

GST 18 % in Figures

M/s.PPS Construction (BID ID -1385843)

VS ANS SONS CONSTRUCTION (BID ID -1386876)