Khoiraguri Flow I_Scheme Construction of Spillweir Pack 2

Amount

Construction of SPILL WEIR

Item No. 1 :- Dismantling the existing culvert including clearing and removing the dismantled materials to a safe place and stacking the serviceable material at a suitable place as directed.Gangwwy Slab

Item No. 2 :- Preparing / making level the ground surface for layout of Headwork / structures for fixing the required axis line by cutting the high land and filling and levelling the low land where necessary etc, complete as directed.

Item No. 3 :- Earthwork in excavation in foundation of structure by Hydraulic Excavator in all soils including mud, silt,sandyclayfromtheriver bed,etc, includingclearing the side, dressing, etc. and removing the earth by loading to dumpers for further carriage to a safe distance, complete as directed. (0.30 CuM bucket)

Earthwork in excavation and removal of swelled up earth mixed with silt and slurry due to sand, bailing out water in foundation trenches upto required level including shuttering, shoring, dewatering by means of pump set etc. removing the spoils to a safer distance etc, complete as directed. (With dewatering)

Dewatering of CC works considering 1 no. 10 HP and 1 no. of 5 HP pump including POL, carriage and operator's pay etc.

CC work in proportion 1:4:8 in foundation / abutment /piers / wing walls piers / wing walls etc. with hard river shingles of size 13 mm to 38 mm including curing with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No. 7 :- CC work in proportion 1:3:6 in foundation / abutment / piers / wing walls etc. with hard river shingles of size 13 mm to 38 mm including curing, bailing out water with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No. 8 :- C C work in proportion 1:2:4 in foundation / abutment / piers / wing walls etc. with hard broken stone aggregate of size 6 mm to 20 mm including curing with necessary timber shuttering, scaffolding where necessary complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No. 9 :- Dewatering of CC works considering 1 no. 10 HP and 1 no. of 5 HP pump including POL, carriage and operator's pay etc.

Item No. 10 :- RCC work in slab,abutment cap and above abutment, pier cap, pedestal, dirt wall etc. in proportion 1:2:4 with hard river shingles of size 6 mm to 20 mm with proper reinforcement as per design including necessary curing etc. with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No. 11 :- Dewatering of CC works considering 1 no. 10 HP and 1 no. of 5 HP pump including POL, carriage and operator's pay etc.

Item No. 12 :- RCC work in slab, abutment cap and above abutment,pier pier cap, pedestals, dirt wall etc. in proportion 1:1½:3 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including necessary curing, dewatering etc. complete as directed with necessary timber shuttering, scaffolding etc.where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No. 13 :- Supplying fitting fixing and laying reinforcement (TATA)in position in RCC work including cutting, bending,cranking with two piles 0.91 M (20 BWG) annealed wire hooking tying, complete as directed.

Item No. 14 :- Providing weep holes with 50 mm dia GI pipes ofrequired length and depth fitted with vertical non return valve (50 mm) of brass inside including cost of making filter of size 0.6 M x 0.6 M x 0.6 M fitted with graded filter media at back side and covering the back side with MS wire netting in the abutment, face wall wall of Head Work including shuttering for providing space at the time of casting cement concrete including supplying fitting bend, nipple, etc, complete as directed.

Item No. 15 :- Centering and shuttering including propping etc where necessary and removal of forms after completion of CC and RCC works, complete as directed. (Measurement to be taken on the face area timbered).

Item No. 16 :- Providing scaffolding work with rows of bhaluka bamboo and jati bamboo horizontal one row jati bamboo cross and placing second class planks of 0.025 M thick in between the rows tying with coir strings lacing two nos. vertical jati bamboo at both end including dismantling the scaffolding etc, complete as directed.

Item No. 17 :- 12 mm cement plastering including clearing surface and curing, complete as directed. ((ii) In proportion 1:4)

Item No. 18 :- Collection of one man size 25 cm to 30 cm hard river boulder including stacking in measurable stacks of not more than 1.00 M height at quarry site and making payment of forest royalty etc, complete as directed.

Item No. 19 :- Carriage of boulders, gravels, metal screening, stacking in easurable stacks at site, complete as directed. (Quarry = Rowta =Distance = 30 Km.

For Subsequence Km.

Item No. 20 :- Labour charge for pitching with one man size boulderincluding dressing and ramming the seat to proper size and slope, pitching etc. with local carriage of boulders from a distance of 60 M with lift upto 3 M, complete as directed.

Item No. 21 :- Earthwork in back filling of structures, obtained from outside borrow pits filling in 15 cm layers, ramming, dressing, watering, including paying compensation of land if any (with lead up to 30 M and lift 1.5 M)

Item No. 22 :- Supply fitting and fixing laying M.S Gate.

Item No. 23 :- Collection of sand gravel (40% sand and 60% gravel of size 25 mm to 60 mm) free from dust and dirt including stacking in measurable stacks at quarry site and making payment of forest royalty etc. as directed complete.

Item No. 24 :- Carriage of boulders, gravels, metal screening, stacking in measurable stacks at site, complete as directed. (Quarry = Rowta =Distance = 30 Km.

For Subsequence Km.

Item No. 25 :- Labour charge for spreading of hard river gravel or broken stone of size 13 mm to 38 mm to the required thickness including dressing and ramming the seat before laying the materials as directed with a lead upto 30 M and lift upto 1.5 M complete as directed.

Item No. 26 :- Supplying and mixing rapidite in concrete works below ground water level where necessary etc. complete as directed.

ABONG BRAHMA