NIeT_08( 1st Call)/SDRF/SE/DC/GTA/ 2026-2027(Sl. No. 01 to 17)

2(A) ROAD FROM GURUNG GAON TO GAJABARI Earth work in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing, spreading or stacking the spoils within a lead of 75m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.

Laying 150 mm. to 200 mm. boulder soling including rough dressing hand packing and ramming down small pieces in the interstics without rolling but including ramming.

Cost of stone boulder 150 mm size delivered ans stacked at site.

Plum Concrete work with cement concrete 1:3:6 with 30mm down graded stone metal 40% and stone boulders of size 150mm and above placed in position as directed excluding shuttering if any.

Hire and labour charge for shuttering with centreing and necessary staging up to 4 m. using approved stout props and thick hard wood planks of approved thick ness with required bracing for concrete slabs, beams, columns, lintels curved or staight including fitting fixing and striking out after complection of works. (up to roof of ground floor).

Providing and laying of Filter media with granular materials / stone crushed aggregates / brick aggregates / river bed materials satisfying the requirements laid down in clause 2504.2.2 of MoRT&H Specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and technical specification.

Providing Weep Holes in brick masonry plain/ reinforced concrete abutment, wing wall/ return wall with 100 mm dia A.C pipe, ectending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and technical specifications.

2(B) TEESTA TRIVENI ROAD Drum Sheet Walling 1.40m (av.) high on Sal-bullah / Eucalyptus bullah piling 10 cm dia. and 3.25m long driven 1.75m (av.) below G.L. and 75cm centre to centre including fitting fixing 3 nos. of half bullah pieces (from 10 cm dia) and drum(empty bitumen) sheet (approved condition) of height 1.5m , cutting and straightening drum sheet (each joint must have lap length of min.50mm) including cost of necessary nails, bolts, nuts etc. and providing 2 to 3m long half bullah ties of 10cm dia. @ 2.25 m centre to centre fixed with 10 cm dia. bullah posts driven 1.5m below G.L. including cost of all materials and one coat of coal tarring to all bullah etc. complete as per

Providing and construction of a gabion structure for retaining earth with segments of wire crates of size 7 m x 3 m x 0.6 m each divided into 1.5 m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be tied with 4 mm galvanised steel wire.

Providing and constructing gabion structures for erosion control, river training works and protection works with wire crates of size 2 m x 1 m x 0.3 m each divided into 1m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 MPa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 mm x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be securely tied with 4 mm galvanised steel wire.