Immediate measures to dyke along L/B of Katakhal from Gaglacherra to Nutanbazar for restoration of breach like damages occurred at BamunLekai for 2019-20 (Under SDRF). RETENDER

Amount

Item :Construction of whole bamboo single pallasiding with matured Barua bamboo stacks of 7.5cm to 100 mm dia.,15 cm clear apart driven 1.80m to 2.50m above ground and 1.20m to 1.50m below ground with Barua bamboo inclined struts fixed at 1.50 m apart tied with three rows of horizontal half Bethua bamboo kamies with G.I. wire of 16G to 18G etc. complete as directed.(Using Barua Bamboo at the rate of 14.47 nos/ Rm & Bethua Bamboo at the rate of 2.40 nos / Rm)

Supplying of serviceable empty cement bags

Item : Labour charge for laying and pitching earth filled cement bags including excavation and borrowing earth, breaking clods, filling in bags and supplying and stitching the mouth with jute sutli, etc. complete as directed. (cement bags will be supplied by the department free of cost). for borrowing earth from a distance beyonf 30 m & upto 60 m

Item : Supply of R.C.C. Porcupine member of size 0.10m × 0.10m × 3.00m with cement concrete proportion 1 :2:4, reinforced by 4 Nos. of 8mm dia TMT bar. and 4mm dia (8G) wire stirrups at 15cm. C/C with 2 (two) nos of holes of 20mm dia at 50 cm inside from both sides in the same face and in the other face of member another 2 (two) nos. of holes of size 20mm dia at 65 cm inside from both ends including properly curing for 28 days and supply at work site complete as directed.

Labour charge for launching of R.C.C. Porcupine including carriage of R.C.C. porcupine members of size 0.10m × 0.10m × 3.00m from the stack yard to the place of launching ,erection of the Porcupine with 6 (six) members properly, supply & fitting/fixing with 12 mm dia 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) Without boat

Earthwork in bank trimming to the designed sectbn /slope including removing the soils at a safe distance,comolete as directed.

Item : E/W in embkt by truck carriage in ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and stacking in regular measurable stacks at suitable places including clearing and levelling the stacking sirte, breaking clods up to 2.5cm cube, payment of forest royalty if any, etc. complete as directed. (12.50% deduction will be made from the measured quantities on on account of shrinkage) For initial lead beyond 4 KM & upto 6 KM & for all lifts.

Item : Spreading of earth stacks over the crest and slope of embankment and places as directed in uniform layer of 22 cm. thick including breaking clods, dressing, ramming etc. complete where necessary including dressing the embankment. before complete as directed.

Earth work ir embankment by truck carriage In ordinary/normal soil excluding sandy and roctry soil free from roots & vegetaiion and fllling in uniform layers not exceeding 22cm lhick including ploughing or roughening or benching the seats, removing all debries, breaking clods up to 2.5cm cube, dressing as per design section including payment of forest royalty if any, etc. complete as directed (10% deduction will be made from the section measured quantities of the completed and compacted on account of shrinkage) For initial lead beyond 1/2 KM & upto 4 KM & for all lifts.

Turfing with grass sods of largest possible rectangles of 12 cm. minimum thickness placed closely including dressing earth pagging with Jati bamboo sPlit, watering tillthe grass grows for a lead up to 90m and all lifts

DILWAR HUSSAIN LASKAR