Reconstruction of breach like damaged embankment of B/dyke at Kathani Palahguri village including protection measures under SOPD (FDR).

Amount

Item No.1:- Medium Jungles: Clearing medium jungles and trees upto 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work, etc. complete as directed. (When 30% to 60 % of the area is covered by shrubs,trees etc)

Item no.2:-Earth work in embankment by truck carriage in ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and filling in uniform layers not exceeding 22cm. thick 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 4.00 KM & for all lifts)

Item No.3:-Turfing with grass sods of largest possible rectangles of 12 cm. minimum thickness placed closely including dressing earth pagging with Jati bamboo split, watering till the grass grows for a lead up to 90m and all lifts.

Item no.4:- Compacting Original Ground (i)Compacting Original Ground supporting embankment Loosening , levelling and compacting original ground supporting embankment to facilitate first layer of embankment ,scarified to a depth of 150 mm , mixed with water OMC and then compacted by rolling so as to achieve minimum dry density as given in Table 300.1 and 300 .2 for embankment construction as per Techinical Specification Clause 301.4.1

Item no.5:- Earth work in embankment 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 site, breaking clods up to 2.5cm cube, payment of forest royalty if any, etc. ( 12.50 % deduction will be made from measured quantities on account of shrinkage) For initial lead beyond ½ Km and up to 4.00 Km and for all lifts

Item no.6:-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

Item no.7:-Collection and supply of sand gravel from approved quarry containing 60% sand and 40% gravel free from disintegrated and flaky pieces of vegetation and other deleterious matters, adherent coating etc. including stacking in suitable stacks at quarry site and payment of forest royalty etc. complete as directed. (As per analysis no-1)

Item no.8:-Labour charge for laying of soling stone, brick bats, broken stone metal, sand gravel etc. on approach road including ramming dressing the seat and local carriage of materials up to a distance of 60 m complete as directed

Item no.9:-Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10m X 0.10mX 3.00m with M-40 grade of cement concrete with graded broken course aggregates up to 12mm size down and reinforced with 4 Nos. of 4 mm dia high tensile steel wire cable at four corners with necessary cover and 4mm high tensile stirrups at 250mm C/C, in conformity with IS-6403 and stressed to required strength not exceeding 9.18 N/mm, holes of 16 mm dia at 50 cm inside from both ends in the same face and in either face of post another 2 Nos. of holes of size 16 mm dia at 65mm inside from both ends including properly curing for 14 (fourteen) days and carriage of porcupine members from factory to the stack yard within a distance up to 100 Km complete as directed.

Item no.10:-Carriage of Porcupine members by 40 HP Tractor -trailor including local carriage of porcupine members from stack yard to loading site up to a lead of 150m, loading , un loading at river bank near work site etc. complete as directed.(For lead beyond 150m and up to 2.00 Km and for all lift)

Item no.11:-Labour charge for launching of R.C.C. / PSC Porcupine including carriage of R.C.C./ PSC 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) A) Without boat

Item no.11:-Labour charge for launching of R.C.C. / PSC Porcupine including carriage of R.C.C./ PSC 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) B) With boat

Item no.12:- Construction of whole Bholuka Bamboo screen with matured Bholuka Bamboo stacks 75 mm to 100 mm dia placed at 30cm clear apart (i.e. 40cm C/C) driven 4.00m to 4.50m below ground and 3.00m to 3.50m above ground with hydraulic driving equipments including hire charge of equipment, cost of POL etc. and providing with 1(one) row of horizontal half Jati Bamboo Kamies tied with gavlanised wire of 16G to 18G etc. complete as directed.

Tapan Medhi