Construction of Check Dam at Limra Nala,Block-Karra,Dist.-Khunti

Jungle clearance in borrow area,building premises,flanks and slopes on the road,canals and embankment by removing the grass and the jungle bushes from the top including weeding out shrubs including roots and levelling etc. complete as per direction of E/I.(Specification revised in meeting of regional Co-ordinators held on 11.01.84 in the office of T.E.C.) (Vide Item No.5.1.3.1 of WRD Part-B, Pg No.-97) / Common Part-A Page No.-195 Sl. No.- 2.02

Earth work in excavation of foundation trenches of toe wall,spillway,head regulator, outlet, intake well etc. as per designed section in all kinds of soil including moorum soil, soil mixed with kankar, pebbles and boulders upto 300mm size and disposal of the same (beyond 50 m away from the edge of the trenches) with initial lead of 150m and initial lift of 1.5 m as per specification and direction of E/l.(Vide Item No. - 5.1.14.1 of WRD Part -B ,Pg No.-99)

Earth work in excavation of foundation trenches of toe wall, spillway, head regulator, intake well and outlet etc. as per designed section in ordinary rock or soft rock (where blasting is not needed) (Vide classification of soil item-C) with disposal of soil (beyond 50 m from the edge of the trenches) with initial lead of 150 m and lift of 1.5 m as per specification and direction of E/l.(Vide Item No. - 5.1.15.2 of WRD Part -B , Pg No.-100)

Extra for wet earth all complete as per specification and direction of E/I. (Vide Item No. - 7.1.22 of WRD Part - B ,Pg No.-135)

Providing and laying P.C.C or R.C.C M150 with nominal mix of (1:2:4) in various components of dam foundation with approved quality of 20mm graded coarse aggregate of required grade as per design and approved quality of sand of requisite F.M (2.5 to 3.0) washed and screened excluding cost of shuttering or form-work as of reinforcement its cutting, bending, binding and placing but including necessary tools and plants and vibra tion, curing, royalty all taxes etc. complete job as per specification and direction of E/l. (Vide item No.- 5.3.6 of WRD Part- B, Pg No.- 109) / Item No.-5.3.1.2 of BCD Part- B , Pg No.- 106

Providing rough dressed random rubble stone masonary in CM (1:4) in foundation with approved quality of coarse sand of requisite F.M (2.5 to 3) washed and screened with raking out joints, curing, scaffolding and its removal wherever required royalty etc. complete job as per specificition and direction of E/l. (Vide Item No.-5.4.8 of WRD Part- B, Pg No.- 111) /Vide Item No.- 5.2.28 of Common Part-A , Pg.No.-204

Providing rough dressed random rubble stone masosry in cm. (1:4) in superstructure with approved quality of coarse sand of requisite F.M (2.5 to 3) washed and screened with raking out joints, curing, scaffolding and its removal wherever required royalty etc. complete job as per specificition and direction of E/l. (Vide Item No.- 5.4.11 of WRD Part- B, Pg No.- 111) / Vide Item No.- 5.2.31 of Common Part-A , Pg.No.-204

Providing and laying P.C.C. or R.C.C. M -200 with nominal mix of (1:1.5:3) in various componet of dam superstructure with approved quality of 20mm graded coarse aggregate of required graded as per design approved quality of sand of requisite F.M (2.5 to 3) washed and screened excluding cost of shuttering or form work as well of reinforcement its cutting, bending, binding and placing but including necessary tools and plants and vibration, cutting, royalty all taxes etc. complete job as per specification and direction of E/l. (Vide Item No.- 5.3.11 of WRD Part- B, Pg No.- 109) / Vide Item No.-5.3.9.1 of BCD Part- B, Pg.No.-107.

Providing weep hole with dry graded stone filter of 20 mm to 40 mm size in abutment and wing wall as per specification and direction of E/l.(Vide Item No. 6.7.6 of WRD Part -B, Pg No.- 131 ) / Vide Item No.- 6.7.6 of Common Part-A,Sl No.- 6.9, Pg No.-209.

Providing 25 mm thick cement plaster (1:4) with approved quality of sand of requisite F.M. (2.5 to 3.0) washed and screened including curing, scaffolding wherever required and its removal royalty and all taxes etc. complete job as per specification and direcition of E/l.(Vide Item No. 5.5.5 of WRD Part -B, Pg No.- 113) / V ide Item No.- 5.7.12 of Common Part-A, Pg No.-200

Providing shuttering, including strutting, proping etc. and its removal after use in foundation work as per specification and direction of E/I. (Vide Item No.- 5.3.17 of WRD Part- B, Pg No.- 110)

Supplying laying boulder in rock toe,heel trenches of the dam as per design,drawing including the cost of materials,royalty and all taxes etc. but excluding the cost of carriage all complete as per specification and direcition of E/I. (Vide Item No. 5.6.4 of WRD Part -B, Pg No.-114 ) / Vide Item No.- 5.6.4 of Common Part-A, Pg No.-209

Providing T.M.T. reinforcement (tor steel) as per approved design drawing. removal of rust,cutting, bending, binding including supplying annealed wire placing rod in position all complete job as per specification and directions of E/l. (Vide Item No.- Item No.-5.3.15(i) of WRD Part- B, Pg No.- 110) /Vide Item No.- 5.5.4 of BCD Part- B, Pg.No.-119

Earth work in filling foundation trenches or back filling of masonry structures with suitable earth in layers not exceeding 150mm thick well watered, rammed and fully compacted and finally dressed with earth obtained from excavation of foundation trenches and kept at a lead of 30m and initial lift 1.5m complete as per specification and direction of E/l.(Vide Item No. 6.1.16 of WRD Part -B Pg No.- 120 )

Supplying of 300 mm dia. NP2 R.C.C. hume pipe with collar as per I.S.S. 458-1971(v). [WRD Part-B,Pg No.- 84, M-300 (v) ,Sl.No.-14]

Labour for laying,fitting and fixing 300 mm dia. NP2 hume pipe with collars in line,level and grade,as well as providing approved jointing materials and joints properly filled to make them water proof,all complete as per specification and direction of E/I.(Vide Item No. 7.6.1.3 of WRD Part-B,Pg No.-149.)

Dewatering by 10 HP diesel pump all complete job.(WRD Part-B, PM-29, Pg No.- 83, sl no. - 10)

Carriage of materials

(i) Cement – Lead 29 KM(S) + 1 KM(k)

(ii) Sand – Lead 14 KM(S) + 1 KM(k)

(iii) Stone Chips – Lead 39 KM(S) + 1 KM(k)

(iv) Boulder – Lead 39 KM(S) + 1 KM(k)

(v) NP2 R.C.C. Hume Pipe of 300 mm dia. Lead 49 KM(S) + 1 KM(K)

After adding GST @18% on total estimated value the total estimated amount is

Labour Cess @1% on above total estimated amount

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