Formation of Cut and Cover macro drain from Irumbuliyur Tank to GST Road Peerkankaranai Flood Regulator to Irumbuliyur Macro Drain, link drain from GST Road under tunnel to the Mudichur Road Cut and Cover junction in Tambaram Taluk of Chengalpattu Dt

Amount

Dismantling, clearing away and carefully stacking material useful for reuse for any thickness of Plain cement concrete etc, complete complying with sandard specification and as directed by the departmental officers

Earth work in all soils except Medium rock / hard rock requiring blasting and conveying for formation of bund with a lead of 0 to 100 metre deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning and watering with power roller and consolidation etc.,complete complying with standard specification and as diected by the Departmental officers

Earthwork Norrow Excavation for foundation in all soils and sub soils and to full depth as may be directed by the department officers except hard rock requring blasting including shoring, strutting and bailing ot water whereever necessary and refilling the sides of foundation with excavated soil in layers not exceeding 15cm thick, well rammed and consolidated and depositing including all intial leads and initial lifts, etc., completed complying with standard specifications and as directed by the department 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 b y 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., complete and all other incidental charges for the depths of 0m to 4m

Supplying and spreading 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

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 Centring)

Centering 0 to 90 cm

Centering 90 to 180 cm

For 0 m to 2.70 m & 3.00 m Height

Centering 0 m to 4.00 m Height

Centering 0 m to 5.00 m Height

Centering 0 m to 6.00 m Height

Supplying and eracting centering for sides and soffits including supports and strutting upto 3.00 M high for plane surface such as RCC slab, rectranglar beams, Tee (or) ELL beams, lintel bed block, slabs, landing slabs, beams canopy, side slab (or) square (or) round colums etc., as detailed below with all cross brachings uisng M.S, Sheets of size 80 cm x 60 cm and bracings using M.S. Sheets of size size 25mmx25mmx 3mm for boarding laid over silver oak or country wood joints of 10cm x 6.50m spaced at about 90 cm dia spaced at 75 cm c/c etc., complete complying with standard specifications as directed by the departmental officers. (Horizontal centering)

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills 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.

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 M15 grade of concrete having characteristic strength not less than specified in the IS 456 -2000 using ordinary portland cement with minimum cement content 240 Kg/ Cum confirming to IS 8112 Coarse aggregate having a specific gravity 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 work ability as per IS 12269 -1987 92004 ). The inital & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placing should not exceed 32 º 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 and water reducing ). Including the cost of the hire charges for pump and pumping charges to thbe required locations and 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 commemcement 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. ( for all PCC Works )

Supplying and laying of ready mix for M20 grade of concrete having characteristic strength not less than specified in the IS 456 -2000 using ordinary portland cement with minimum cement content 300 Kg/ Cum confirming to IS 8112 Coarse aggregate having a specific gravity 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 0.50of 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 work ability as per IS 12269 -1987 92004 ). The inital & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placingshould not exceed 32 º 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 and water reducing ). Including the cost of the hire charges for pump and pumping charges to thbe required locations and 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 commemcement 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. ( for all RCC Works )

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 2.6 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 32.o 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 & pumping charges to the required location & 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 placed in the position etc, complete complying with standard specifications and as directed by the departmental officers. (RCC Works)

Supplying and laying of ready mix for M30 grade of concrete having characteristic strength not less than specified in the IS 456-2000 using ordinary portland cement with minimum cement content 300Kg/cum confirming to IS 8112.Coarse aggregate having a specific gravity 2.60 using 20mm down graed 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 IS456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workablity 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° 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 and water reducing].Including the cost of hire charges for pump and pumping charges to the required locations and levels as sepcified by the Engineer in charge ,laying, compacting, consolidation by uinsg vibrators, finishing, watering, curing,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 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. (PCC WORK)

Without Needle Vibration

Supplying and laying of ready mix for M30 grade of concrete having characteristic strength not less than specified in the IS 456-2000 using ordinary portland cement with minimum cement content 300Kg/cum confirming to IS 8112.Coarse aggregate having a specific gravity 2.60 using 20mm down graed 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 IS456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workablity 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° 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 and water reducing].Including the cost of hire charges for pump and pumping charges to the required locations and levels as sepcified by the Engineer in charge ,laying, compacting, consolidation by uinsg vibrators, finishing, watering, curing,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 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. (RCC WORK)

With Needle Vibration

Hire charges for dewatering using 7.50HP diesel pumpset with suction and delivery pipe for required length as per the site conditions including cost of fuel and crew charges including Transportation etc and directed by the Departmental officers

Providing and laying, spreading and compacting graded stone aggregate to Wet mix macadam 250mm thick, including premixing the material with water at OMC in mechanical mix plant,conveyance of mixed material by tipper to site laying in uniform layers using paver in sub base / base course on well prepared surface and compacting with vibratory roller to achive the desired density including cost of material, labour charges, rentals for machinery,fuel and all other incidental charges etc., complete as per clasue 406 of MORTH Rev-5.

Providing and laying Tack Coat over Dry Lean Cement Concrete surface using 3.00 Kg 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 as perClause 503 of MORTH Rev-5

Providing, laying 50mm consolidated thick Bituminous Macadam using 0.24cum of 26.50- 13.20mm, 0.25cum of 13.20-2.36mm and 0.23cum of 2.36mm & below and with 53.20 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 work site, spreading the mix to uniform thickness of 50mm using paver to the specified grades and cross sections and compacted by Vibratory/Pneumatic Roller to the required density etc., including labour for attending to paver at site etc., including hire and fuel charges for 20-30ton CMP with bitumen boiler, tipper trucks, Paver Finisher, Vibratory roller and all other tools and plant required, including all other incidental charges etc., complete as per specification using CMP as per clause 505 of MORTH Rev-5

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 as per specification using CMP as per clause 507 of MORTH Rev-5

Providing weep hole for retaining wall using with 75mm dia PVC pipe (PVC Finolex or Equivalent with ISI Monogram with working pressure of 4Kg/Cm2) including cost of materials and all labour charges for fixing in concrete as per the instructions of the standard specifications.

Laying porous concrete plugs of 1:4 mix using 20mm size machine broken stone jelly for 10cmdia, 30cm long including mixing laying finishing and curing etc complete as per standard specification.

Bitumen pad for 20mm thick(Annexure-Vl Rates of other constructions materials S.I NO 252B)

Fabricating, Supplying & fixing of groove channel made up of 100 x 100 x 10mm mild steel angle for required height including welding hold fast of size 40 x 40 x 6mm mild steel angle 3nos 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 them at section store. The groove angles should be painted with two coats of anticrossive black paint over one coat of red oxide primer. The rate includes cost of materials, consumables, labour charges for all fabicating and hoisting equipments, conveyance. petty civil works and warrenty for 5 years etc, .

Supplying & fabrication of steel screw gearing shutters of assorted sizes upto 2000mm width and upto 3.00m width consists of skin plate made out of 10mm thick MS plateand horizontally stiffened with 150x75mm ISMB 150 at an interval not more than 0.50m and vertical stiffeners made out of 100x50mm mild steel channal (ISMC) at an interval not more than 0.60m and provided 10mm thich mild steel gusset plate of required size on 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 eqipments.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 anticrossive black paint over one coat of red oxide primer. The rate includes cost of materials, consumables, labour, 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 warrenty for 5 years etc,

Fabricating, Supplying & Fixing of top beam made out of 200 x 100mm (ISMB) duly drilled to suit thehead set assembly ewith required bed bolt made out of 25mm mild steel round rod duly threaded with suitable anchorage arranrements to a height of 0.60m with necessary fish plate made out of 16mm mild steel plate of size 0.20 x 0.30m 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 to correct position including dismantling the existing eroded top beam, conveying and stacking them at section store. The top beam should be painted with two coats of anticrossive black paint over one coat of red oxide primer. The rate includes cost of materials,labours, charges for all fabicating and hoisting equipments, cost of petty civil works, conveyance charges for all labours and materials and warrenty for 5 years etc, .

Fabricating, supplying and fixing of horn type headset assembly heavy duty (approximate 150kg) consists of the bottom and top portion 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 assembly to the beam by using required rust free bolts and nuts in proper alignment including dismantlying the existing damaged head set assembly conveying and stacking them at section store. The head set assembly supplied with operating key and the both should be painted with two coats of anticrossive black paint over one coat of red oxide primer. The rate includes cost of materials, labour charges for wooden pattern, moulding and charges for all machining equipments, conveyance. charges for labours and materials and warrenty for 5 years etc,

Fabricating, Supplying & Fixing of 80mm dia screw gearing rod made out of mild steel duly machined and fully threated to suit the head set assembly and provide with required holes. Conveying and leading the screw rod to the work site. Fixing the screw rod to the shutters gusset plate with required bolt and nut in proper alighment to the head set including dismantling the existing damaged screw rod, conveying and stacking them at section store. The screw rod should be painted with two coats of anticrossive black paint over one coat of red oxide primer. The rate includes cost of materials, labours, charges for all fabicating and hoisting equipments, cost of petty civil works, conveyance charges for all labours and materials and warrenty for 5 years etc, .

GST 18 % in Figures

Sri Sivaram and co