EMERGENT CONSTRUCTION OF BAMBOO SHAKO FOR DISMENTELED GIRIYA BRIDGE AT PATLAKHAWA GP IN ALIPURDUAR I BLOCK

Strong bamboo post plates, rafters, ties etc. fitted & fixed complete with coir rope or nails as directed. (Embedded portion of posts shall also be paid for against this item; cost of digging hole and repacking being paid separately). (b) 100 mm dia bamboo

Fixing of bamboo posts by digging hole in all sorts of soil and subsequent thorough repacking the same with spoils including the cost of one coat tarring the embedded portion of the bamboo. © Depth 750 mm

Strong bamboo work (for thatched roofing) with 75 mm dia full bamboo rafters spaced at 350 mm centres & tied with transverse bracings at 380 mm spacing (each bracing consisting of a pair of quarter bamboo, one at top and the other at the bottom of the rafters) fitted and fixed in position complete.

Diagonally woven crushed bamboo mat including durma mat lining and both longitudinal and transverse intermediate stiffeners (about 300 mm centre each way) and tied with BWG galvanised wire fitted and fixed in position complete but excluding cost of supporting frame work. (a) In wall fencing etc., Double Layer.

Providing & fixing concrete sign board as per IRC specification of size 900 × 750 × 37 mm thick made with RCC 1:1.5:3 with pakur variety stone chips reinforcement with double layer IRC fabric (75 mm × 75 mm mesh) and fixed with necessary nuts & bolts on two RC precast posts 100 mm × 150 mm of height 2.65 m, of which top 750 mm is of section 100 × 13 and 1.90 m above GL & 0.75 m below GL including digging hole, repacking the same with cement concrete 1:3:6 with jhama khoa with local stone chips etc., complete including painting two coats on both faces, lettering sign marks etc. as per direction of the Engineer-in-Charge. (Rate is inclusive of cost of reinforcement, concrete, shuttering, nuts & bolts.)

Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical Specification. Boulder Laid Dry Without Wire Crates. Loose

GST @ 18%

Cess @ 1%