Vasudevanallur Block-Providing New Community Open Well in Thalayanai River Area to Saravanapuram and Shanmuganathapuram Village in Ramanathapuram Pt

Amount

Earth work Open well excavation complying with relavent clauses of TNDSS Well sinking with lead up to 10 m in Hard stiff clay , stiff block cotton soil hard red earth shales murram gravel stoney earth and earth mixed with small size boulders and hard gravely soil

I st depth (0.00m -2.00m)

Earth work Open well excavation complying with relavent clauses of TNDSS Well sinking with lead up to 10 m in Sofit disintegrated rock,laterite,soft rock or kankar not requiring blasting

II nd depth (2.00m -4.00m)

Earth work Open well excavation complying with relavent clauses of TNDSS Well sinking with lead up to 10 m in Medium rock and dense medium rock not requring blasting

IIIrd depth (4.00m - 6.00m)

Earth work Open well excavation complying with relavent clauses of TNDSS Well sinking with lead up to 10 m in Medium rock and dense medium rock requring blasting

IV rd depth(6.00m -8.00m)

V th depth(8.00m-10.00m)

VI th depth(10.00m-12.00m)

Open well excavation complying with standard specification complying with TNSS Deepening of well by blasting and removing hard rock measured in solid in.

VII th depth(12.00m-14.00m)

Cement concrete 1:4:8 mix usin 40 mm HBGS metal inculding cost and coveyance of all materials to site including labour for mixing ,laying,curing etc complete.,

Supplying and erection centering for sides and soffits inculding necessary supports and structing for plain surfaces such as RCC Slab,Lintel,Beam coloum,sunshade etc complete.,(3.30m to 1.20m)

Supplying and fabrication,placing in position of mild steel or ribbed Tor steel grils for RCC works inculding cost of steel and binding wire etc.

Reinforced Cement concrete 1:1/2:3 mix usin 20 mm HBGS metal inculding cost and coveyance of all materials to site including labour for mixing ,laying,curing etc complete.,

Beam I below G.L 1.50 -4.50

Beam II below G.L 0.00-1.50

Side wall Above G.L 0-4.5 m

Re- filling with Excavated earth including all labour charges etc complete

SUB ESTIMATE (DELIVERY & PUMPSET ARRANGEMENTS)

Supply and delivery of 90 mm dia 6 KSC PVC pipe

Earth work excavation with an initial lead and lift in hard stiff clay, black cotton, hard red earth, sub murram gravel, stone and earth mixed boulders as per SS20B.

Refilling excavated earth including all cost

Laying of PVC rigid pipes with lead of 200m lowering into trench, laying in proper grade, alignment, jointing PVC coupler with specials and tested to the required pressure including conveyance of water upto 1km lead during the testing.

Supply and delivery of open well submersible pump set 2000x100

NACHIYAR and CO (BID ID -1080680)