Construction of Check Dam on Bada Nala under Block - Borio District - Sahibganj

E/W in excavation of canal having discharge between 8.5 cumec (300 cusec) and 0.14 cumecs ( 0.50 cusecs) in ordinary soil (vide classification of soil item -A) including clod breakng,earth in 225 mm layer and rough dressing of soil with initial lead of 10M and lift of 1.5M all complete as per approved design specification and direction of E/I. 2(7.1.43. 2) PART - B PAGE NO 138

E/W 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 up to 300MM size and disposalof the same (beyond 50M away from to of the dam in country side ) within initial lead of 150M and initial lift of 1.5 M as per specification and direction of E/I. (6.1.8) PART-B PAGE NO 119

E/W 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 up to 300 size thick and disposalof the same (beyond 50M away from toe of the dam in country side ) within initial lead of 150M and initial lift of 1.5 M as per specification and direction of E/I. 4(5.1.15.2) WRD part B page no 100

Providing and laying in position Cement conc. Of specified grade excluding the cost of Centuring and Shuttering - All work up to plinth level - PCC M-15 with nominal mix 1:2:4 (1 Cement : 2 Course Sand (Zone- iii) : 4 graded stone aggregate 20 mm nominal Size) all . complete job as per building specification and direction of E/I. BCD Item - 5.3.1.2, Page No. 106

Providing rough dressed random rubble stone masonry in CM (1:4) in foundation with approved quality of coarse sand of requisite F.M (2.5-3.0) washed and screened with raking out of joints to 12MM depth curing scaffolding and its removal wherever required royalty and all taxes etc complete job as per specification and direction of E/I. 6(5.2.28) PART-A P-204

Providing rough dressed random rubble stone masonry in CM (1:4) in super structure with approved quality of coarse sand of requisite F.M (2.5-3.0) washed and screened with raking out of joints to 12MM depth curing scaffolding and its removal wherever required royalty and all taxes etc complete job as per specification and direction of E/I. 7(5.2.31) PART-A P-204

Providing and laying in position Cement conc. in Retaing wall, return wall, wlls(any thickness) including attached pillasters, columns, piers abut. , pillars, posts, struts, buttress, string or lacing course,parapets, coping, bed blocks, anchor blocks, plain window sills, ... excluding the cost of Centuring and Shuttering and fishing :PCC M-15 with nominal mix 1:2:4 (1 Cement : 2 Course Sand (Zone- iii) : 4 graded stone aggregate 20 mm nominal Size) all . complete job as per building specification and direction of E/I. BCD Item - 5.3.2.2, Page No. 106

Providing and laying in position Cement conc. Of specified grade excluding the cost of Centuring, Shuttering, finishing and reinforcement - All work up to plinth level - RCC M-20 with nominal mix 1:1.5:3 (1 Cement : 1.5 Course Sand (Zone- iii) : 3 graded stone aggregate 20 mm nominal Size) all . complete job as per building specification and direction of E/I. BCD Item - 5.3.9.1, Page No. 107

Prov. Tor Steel reinforcement of 8 mm, Dia bars as per approved design and drawing TMT coil Fe 500 (Only valid for Tata (Tiscon), Sail, JSPL, Electro steels Ltd. Bokaro and Vijag (RINL), BCD. (5.5.4), Page-119

Centuring and shuttering including strutting, proping etc. And removel of form for foundation, footings, bases of columns etc for mass concrete as per specification and direction of E/I. BCD. Item No. - 5.3.17.1 , Page - 108