Manufacturing, stacking and dumping of RCC and bamboo porcupine at Birnagar for use during emergency works for the year 2022

Amount

Making cubical bamboo porcupine cages with bamboo of 60 mm to 75mm dia. having length of 2 metre each for all horizontal and vertical struts and 2.8 metre length for diagonal struts, 3 nos horizontal and 3 nos vertical struts should be placed equi-distant from each face to make the square cage of outer dimension 75 cm x 75 cm and projecting each strut by 60 cm on all directions. Two nos dioganals or cross bamboo posts should be placed on each face having their centre tied with the centre of cage properly including fitting, fixing corners, vertical, horizontal and diagonal struts with iron nails not less than 20 cm long and tying corners with 16 SWG galvanized iron wire, filling in the cages with boulders / lump aggregates. Cages builts with 10 SWG hexagonal or square pattern 10 cm mesh, with proper lapping, tying and sewing with 10 SWG GI wire including cost of all materials, carriage to site and laying the same in the bed or slope of the river, filling the same with the filler materials complete as per direction of the Engineer - in - Charge but excluding the cost & carriage of boulder / lump aggregate up to site. ( N.B::- If G I wirenetting is not considered then Rs. 348.00 per cage may be deducted from the following costs, towards cost of wire netting including OH and conctarcor's profits.) For cages of size 75cm x 75cm x 75cm with boulder (a) Single cage

Supply of stone boulder at site including Royalty, loading, unloading, transportation, stacking, stacking unloadedboulder on private land all complete. Pakur source (Each weighing 25 kg & above)

Supply of RCC ( 1:2:4 ) Porcupine ( having 6 members each ) of size of each mamber 0.10 m x 0.10 m x 3.00 m reinforced with 4 ( four ) nos. of 8 mm dia M.S. rod & 6 mm dia M.S. stirrups having 27 cm. interval ( 12 nos stirrups ) holes of 25 mm. dia at 50 cm. inside from both ends and in same face and in either face of post, another two nos. of hole of size 25 mm dia at 65 cm inside from both ends including properly curing and supply at work site including assembling by nut and bolts, washer arrangements, laying in partially submerged condition, fixing & tying of bushes / thorny bushes coupled sisso branches / char grasses / bamboo bushes duly approved by E.I.C. with 20 gauge G.I. binding wire as directed. ( Both Malda and Murshidabad District).