Comprehensive Restoration and Rejuvenation of Adyar Drains of Malaipattu Somangalam (Reach II) and unfeasible portion of Reach I in Kundrathur Taluk of Kancheepuram District.

Amount

Clearing the light jungle and disposing the same as directed by the Engineer in charge of the works as per technical specification.

Cleaning Juliflora Jungle with Uprooting and disposing the same as directed by the Engineer in charge of the works as per technical specification.

Earth work excavation by deploying earth moving machinery for desilting channel having a width of more than 10m and depositing the excavated earth on banks for forming the bund including extra watering and consolidation by Power roller for each layer of 15cm thick including hire charges, Jungle clearance, breaking clods, sectioning etc complete as directed by the Engineer in charge of the works as per technical specification.

Earth work excavation by deploying earth moving machinery for desilting channel having a width of more than 10m and depositing the excavated earth on banks with a lead of 1KM for forming the bund including extra watering and consolidation by Power roller for each layer of 15cm thick including hire charges, Jungle clearance, breaking clods, sectioning etc complete as directed by the Engineer in charge of the works as per technical specification.

Earth work excavation by deploying earth moving machinery for desilting channel having a width of more than 10m and depositing the excavated earth in low lying with a lead of 15 KM, jungle clearance etc., complete as directed by the Engineer in charge of the works as per technical specification.

Earth work Open excavation for foundation in all soils and sub-soils and to full depth as may be directed except hard rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Earth work excavation for Narrow for foundation in all soils and sub-soils and to full depth as may be directed except hard rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Driving holes for Piles of finished diameter of 450mm in all kinds of soils, all types of rocks, soft rock, weathered rock, hard rock to the required depth using hydraulic rigs with vertical sludge recycling pump of 20 HP using 53 KV diesel generator including all tools and Plants with necessary accessories for applying Bentonite slurry through pump from tank with required density and by using light crane for lowering and placing the reinforcement cage including lap, welding of reinforcement cage as required with all leads and lifts, interlacing of pile reinforcement into pile cap. Including the cost of disposal of spoils/ slush etc away from the work site without any obstructions to the work with all leads and lifts, labour , pumping , bailing etc, and includes the cost of all preparatory works in forming and maintaining of working platform with their own cost and timelyremoval therof to the satifaction including dismantling the laitance concrete upto the cut off level for monolothic concreting of pile cap, Providing stacking places, mobilisation and transferring / reinstalling of piliing equipements/ asscessories etc from one location to another with necessary power / service connections as required etc, complete complying with the technical specifications and as directed by the engineer in charge. The rate is excluding of RMC Cement Concrete and steel which will be paid separately and this item is only for driving pile and lowering reinforcement work - Rate for One (1) R.M.

Conveying the excavated surplus earth to the dumping yard / low lying area of GCC with a lead of 12 km by deploying machineries, tippers including the cost of leads as per direction of the departmental officers, etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and filling in foundation, basement, etc with Stone Dust 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.

Providing and placing in position of plain cement concrete M 10 grade using M.Sand and hard blue granite broken stone jelly of size 40 mm mixing with mixer machine including the cost of bailing/pumping 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.

Providing and placing in position of plain cement concrete M 15 using M sand and hard blue granite broken stone jelly of size 20 mm mixing with mixer machine ( to produce concrete of the specified characteristic strength of 15 N/ mm2 at 28 days). including the cost of bailing/pumping 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.(4.50m to 9.00m Below Ground Level )

Supplying and laying of ready mix M25 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Ordinary portland cement with minimum cement content of 320 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 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 32 0 C. 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 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, shuttering and cost of reinforcement grills placed in position etc, complete complying with standard specifications and as directed by the departmental officers.

Supplying and erecting centring for vertical plain / RCC concrete walls of supply channel, retaining wall etc specified 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 0 m to 0.9 height

Vertical 0 m to 3.00 m height

Vertical 3.00 m to 4.00 m height

Vertical 4.00 m to 5.00 m height

Vertical 5.00 m to 6.00 m height

Supplying and fabricating and placing in position of RTS grill for reinforced cement concrete including cost of steel and binding wire and labour charges for bending, cutting etc as per standard specification and as directed by the departmental officers.

Supplying and fixing Weep holes for retaining walls using 75mm dia PVC Pipes (PVC / Finolex or equivalent with ISI monogram with working pressure of 4Kg/cm2) including cost of materials and labour charges for fixing in concrete etc complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing mastic pad of thickness 20mm confirming to IS 1838 for joints etc complete complying with standard specification and as directed by the departmental officers

Supplying and fixing 300mm wide PVC EXPANSION JOINT in the 20mm expansion gap provided in between decks over piers and in between deck and dirt wall over abutment as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc., complete complying with standard specification and as directed by the departmental officers

Dewatering using 5HP 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.

Brick work with fly ash bricks of size 230mm X 110mm X 70mm in C.M.1:4 (one cement and Four M. sand) including curing etc., complete complying with standard specifications and as directed by the departmental officer.

Plastering the surface of walls with Cement Mortar 1:3 (One cement and Three M.sand), 20mm thick including curing etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing M.S.Grill gate of required size in two shutters with necessary iron members gun metal cups and wheels 75mm dia. With fittings locking arrangements etc. complete including painting a priming coat of approved primer etc. complete (The design of gate furnished is subject to alteration during execution).

Supplying and fixing M.S.Grills for OSR Land / Parks compound wall of design using 25 X 10mm MS flats for outer frame Horizontally & Vertically. The inner vertical grills shall be 10 X 10mm square rods at the spacing of 96mm c/c. The inner horizontal grills shall be 25 X 10mm MS flats adjoining 10 X 10mm square rods both sides at the spacing of 290mm c/c. The horizontal anchoring to wall shall be 20 X 5mm. The vertical anchoring shall be 25 X 10mm. The arrows with vertical shall be 20 X 5mm. (Sketch enclosed) and also as directed during execution.

Painting new iron work with two coats of synthetic enamel paint of approved colour and quality over the existing primary coat in all floor including the cost of paint etc., complete complying with standard specifications and as directed by the departmental officers.( The paint to be used should be got approved by the Executive Engineer before use on the work).

Providing band course work flat 10 to 12mm thick and 65mm deep with cement mortar 1:3 (One cement and Three M. sand) including rendering smooth curing etc. complete complying with standard specification and as directed by the departmental officers.

Providing band course work flat 12mm thick and 75mm deep with cement mortar 1:3 (One cement and Three M. sand) including rendering smooth curing etc., completecomplying with standard specification and as directed by the departmental officers.

Painting the new plastered walls with two coats of Exterior emulsion paint (weather proof) first class quality and of approved colour over a priming coat including thorough scrapping clean removal of dirt etc. complete and including necessary plaster paris putty etc. wherever required as per (IS STD) It must provide excellent resistance against the growth of algae and fungi on the walls. And it must offer excellent protection against alkali and UV degradation and the durability period should be 5 years.

Supplying and providing chain link fence with RCC posts. The RCC posts will be of 2.5m c.c. and of 2.75m ht. The posts will be 100mm square at top and 150mm square at bottom 2.15m ht. above ground level and 0.60m below ground level fixed in c.c. foundation in 1:4:8 of 40mm size stone jelly used. The foundations is of size 45 x 45 x 90cm including sand and filling of 15cm ht. The fencing will be of chain link 75mm size 10 gauge. The height of fence is 2.0m after leaving 75mm gap from ground level including fixing the fence with the posts using G.I. binding wire etc. complete.

GST 18 % in Figures

S.BASKARAN