Construction of Flood Protection wall in Kuvalai Drain in Ellakudi Village of Thiruverumbur Taluk in Trichy District

Amount

Earthwork excavation for foundation in all kind of soils and sub soils to full depth except hardrock,medium rock,requiring blasting inclusive of shoring,strutting and bailing out water wherever necessary,refilling the sides of foundation with excavated earth in layers of not more than 15cm thick well rammed and compacted and depositing the surplus excavated earth in places shown by the departmental officers with initial lead of 10 meters and initial lift of 2 meters clearing and levelling the site complete complying with standard specifications and as directed by the Departmental Engineers. (Narrow excavation)

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

Providing and placing Plain cement concrete M10 grade using crushed broken hard granite course aggregate (well Graded) of Nominal maximum size of 40mm to Ls specified grading (to achieve the specified characteristicik strength of 10N /mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling (pumping and dewatering wherever necessary placing in layers and vibrating water curing finishing the surface with all leades and lifts etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Supplying and erection of steel centering for sides and soffits for plain surface with all cross bracings using Mild Steel sheets of size 90cm. X 60cm. thickness of and B.G.10 stiffened with welded Mild Steel angles of size 25 X 25 X 3mm for boarding, laid over country wood joists of size 10cmX 6.5cm spaced at 90cm. Centre to centre and supported by casuarina props of 10 to 13cm dia (spaced at 75cm) Centre to centre etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Below Ground Level - Without Strutting

Above Ground Level - With Strutting

Providing and placing Plain Cement concrete M15 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 20 mm and down graded to IS specified grading ( to achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer placing in layers and vibrating , water curing , finishing the surface with all leads and lifts etc complete in all respects so as to attain the profile strength specified in the approved drawing and specifications etc., complete complying with standard specifications and as directed by the Departmental officers

Supplying fabricating and placing in position of Mild Steel (MS) or Ribbed Tor Steel (RTS) of grills for all R C C works including cost of steel, binding wire and labour charges for decoiling cutting, bending and tying the grills etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Providing construction, contraction and lift joints in masonry, concrete including cutting, joining and placing Bitumen Felt 15mm thick Pad at the joints with mastic filling as specified in the drawings and specification as directed by the Engineer complying with specification.

Providing and fixing weep holes of 90 mm dia PVC pipe of to a required length for protection wall, Abutment & Wing wall including cost of all materials to work site including labour charges for 90cm spherical backfill arrangement with 100 mm dia size broken stone granite charges of the periphery and labour charges for fixing to drain the back fill working pressure 4Kg/cm2) etc., complete complying with standard specification and as directed by the departmental officers.

Dewatering using 10 HP diesel engine pump set 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 specifications and as directed by the Departmental Engineers.

Earthwork in all soils except hard rock requiring blasting and conveying with a lead of with lead of 0 to 100 m and extra lead of 200m by deploying earth moving machineries and tippers for formation of bund in layers of suitable thickness, depending upon type of compaction equipment deployed and not exceeding 23cm thickness, benching of slopes prior to placement of earth fill, breaking clods, formation of bund, breaking clods, sectioning extra watering to OMC and compaction of each layers to 95% of proctor density through deployment of appropriate compaction equipment (8-10 ton vibratory power roller/short width (+0.90M width drum) power roller or vibratory power roller/fuel-operated or electrical operated vibratory plate compactors ensuring compaction of designed bund section including side slopes compaction complete as per specifications etc., complete as directed by the Engineer-in-charge

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning etc., including loading into lorries and conveying them from local tank with a lead of 28km and unloading the earth spreading the earth watering consolidating etc.., complete complying with standard specification and as directed by the departmental Engineers.

GST at 18%

AK INFRA (BID ID -1489053)

YATHRA CONSTRUCTION (BID ID -1489133)