Construction of a Check dam across Vellakal Kanar in Periyankuppam Village in Ambur Taluk of Tirupathur District

Amount

Clearing the Scrub Jungle etc complete complying with standard Specifications and as directed by departmental officer

Earth work excavation in all soils except Medium rock/hard rock requiring blasting and conveying for formation of bund with lead 2 km by deploying earth moving machineries and tippers including benching formation of bunds, breaking clods, ramming, sectioning, etc. complete complying with standard specifications and as directed by the departmental officers

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 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

Earth work excavation deploying earth moving machinery including Jungle clearnce and conveying the same with Tippers with a lead of 0-100m to the low lying areas as shown by the departmental officers including levelling etc, complete complying with standard specifications and as directed by the departmental officers. open excavation

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 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 cutting)

Supplying and spreading sand gravel mix ratio of 30 : 70 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 & graded hard blue granite broken stone jelly of 40mm size 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 & hard blue granite broken stone jelly of size 20 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 using vibrators, finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

for work upto 1.50m depth below ground level and upto 1.00 m height above ground level

for works above 1.5 m to 4.50 m below ground level

Supplying and erecting centering for vertical plain / RCC concrete walls of supply channel, retaining wall etc for following height 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 Height

upto 0.90m height

upto 1.80m height

upto 2.70/3.00 m height

3.00 to 4.00 m Height

4.00 to 5.00 m Height

5.00 m to 6.00 m Height

Providing and placing in position of plain cement concrete M 15 grade using M sand & graded hard blue granite broken stone jelly of 60% of 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers oincluding 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

for work upto 1.50m depth below ground level and upto 1.00 m height above ground level

for works above 1.5 m to 4.50 m below ground level

above ground wall upto 4.5m height

Providing and placing in position of Reinforced Cement Concrete M 20 using M sand & hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick excluding form works, centring, shuttering and steel fabrications compacting, consolidation by using vibrators, finishing, watering, curing, etc complete complying with standard specifications and as directed by the departmental officers

for work upto 1.50m depth below ground level and upto 1.00 m height above ground level

for works above 1.5 m to 4.50 m below ground level

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

Supplying and laying with graded hard blue granite broken stone jelly of varying of size from 80 mm, 63 mm, 50 mm, 40 mm, 25 mm, 20 mm, 12 mm and 10 mm in equal proportions for formation of filter drains and filter bed as shown in drawing etc complete complying with standard specifications and as directed by the departmental officers

Supplying and placing in position of plain cement concrete blocks of size 1.50x1.50x0.90m of M 15 grade concrete using hard blue granite broken stone jelly of size 20 mm mixing with mixer machine and laying in rows wherever necessary, compacting, consolidation by using vibrators, finishing, watering, curing including the cost of erecting and centering including necessary support for plain surfaceses for concrete block of size 1.50 m X 1.50 m X 0.90 m using MS sheets of size 1.50 m X 0.90 m of 10 gauge stiffened with MS angle of size ISS 25 mm X 25 mm X 3 mm supported by MS flats of size 25 mm X 3 mm, conveyance to site with all labour charges etc. complete complying with standard specifications and as directed by the departmental officers

Gravel packing in gaps between cement concrete blocks including cost of gravel and filling charges to full depth and stacking for premeasurements etc complete complying with standard specifications and as directed by the departmental officers

Gravel backing for apron / revetment / retaining wall in layers not exceeding 15 Cm thick including stacking for premeasurement, watering, consolidation and trimming the top surface so as to receive the rough stones, etc complete complying with standard specifications and as directed by the departmental officers

Providing launching apron using new jeddy stone of size not less than 300 mm thick and weight not less than 40 Kg including the cost of new wedges for filling the gaps, finishing etc complete complying with standard specifications and as directed by the departmental officers

Providing and fixing PVC Expansion joint with required wide as directed in between deck slab over abutments and peirs as shown in the drawing including cost and conveyance of expansion joints including shlimar pad and joint sealant etc., Complete complying with standrad specifications and as directed by the departmental officers.

Supplying and fixing the Cement concrete block of size 300 mm X 300 mm X 250 mm of M 15 using 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 by using vibrators, finishing, watering, curing etc complete complying with standard specifications and as directed by the departmental officers

De-watering of using diesel pump set having capacity 7.50 HP including cost of hire charges, diesel, labour etc complete complying with standard specifications and as directed by the departmental oficers

Regrading the river bed including jungle clearance by deploying the heavy machinery like dozer on use hour basis including cost of hire charges, fuel, crew, labour charges etc., complete complying with standard specification and as directed by the Departmental Officers.(The use hour will be calculated according to Log book mainenance of machineries according to the rules in force and as directed by the departmental officers) D80A12

Providing and fixing Seepage pipes of 110 mm PVC pipes of required lengths for abutments and wings including cost and conveyance of all materials to worksite, cost and labour for 900 mm dia semi-spherical backfill arrangements with 100 mm size broken granite chips at the periphery and labour charges for fixing etc., complete to drain the backfill etc., Complete complying with standrad specifications and as directed by the departmental officers.

GST 18 % in Figures

B. Dharmaraj (BID ID -1166696)

CHITRAHEM CONSTRUCTION COMPANY (BID ID -1166817)