Construction of Haltugaon Subaijhar FIS under SOPD for the year 2022-23

Amount

Construction of Head Works

Cutting light jungles and trees up to 10cm girth including uprooting roots and stumps and ramming the same from the site of work etc.complete as directed.

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.

Earthwork in excavation in foundation of structures bymeans of Hydraulic Excavator in all soils including mud,silt, sandy clay from the river bed, etc, including clearing the side, dressing, etc. and removing the earth by loading to dumpers for further carriage to a safedistance, 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.

Carriage of excavated earth by dumpers with a lead upto 2 KM unloading to a safe place as directed including spreading, dressing etc, complete as directed.

CC 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, dewatering with necessary timber huttering, scaffolding etc. where necessary complete as directed. (Shuttering, scaffolding cost will be paid separately).

Providing and driving 'Z' type steel sheet pile of 0.69 M effective width, 8 mm thick and average weight 68.30 kg/M to specified level and lines including cutting to proper size, making holes including painting sheet piles with two coats of anticorrosive bitumen paint and dewatering including necessary tools and plants and all other accessories, complete as directed. (Portion of sheet pile are to be embedded in concrete shall not be painted).

RCC work in slab, abutment cap and above abutment, pier cap, pedestal, 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). with shuttering with dewatering.

with shuttering with dewatering.

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 wirehooking tying, complete as directed.

CC work in proportion 1:3:6 in foundation / abutment / piers / wing walls etc.with hard broken stone aggregate of size 13 mm to 38 mm including curing, dewatering with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

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

Collection and supply of sand mixed gravel contains 40% of sand and 60% of river gravel of size 13 mm to 38 mm free from all foreign materials including carriage from quarry to the work site loading, unloading and stacking in measurable stacks as directed by the department (Including paying of forest royalty and sales tax etc.)

Supply and carriage to the site of hard broken stone (filter bajri) of size 6 mm to 20 mm from blasted boulder free from dust and dirt and foreign materials including stacking at quarry site, complete as directed.(Dist=25km

Supplying and laying of filter bajries in the gaps between the cement concrete protection block complete as directed. (6 mm to 20 mm size aggregates.Considering average distance from quarry to the work site = 25.00 Km)

Labour charges for spreading hard river shingles / sandgravels to required thickness over approach subway etc.including ramming, dressing the seat before laying thematerials lead upto 30 M and lift 1.50 M, complete asdirected.

Vibrating in CC / RCC work with vibrator including local carriage of vibrator etc. complete as directed.

Providing weep holes with 50 mm dia GI pipes of required length and depth fitted with vertical nonreturn valve (50 mm) of brass inside including cost ofmaking filter of size 0.6 M x 0.6 M x 0.6 M fitted withgraded filter media at back side and covering the backside with MS wire netting in the abutment, face wallwall of Head Work including shuttering for providingspace at the time of casting cement concrete including supplying fitting bend, nipple, etc, complete as directed.

12 mm cement plastering including clearing surface andcuring, complete as directed.

Supplying and mixing rapidite in concrete works below ground water level where necessary etc. complete asdirected.

Collection and supply of one man size 23 to 30 cm hard river boulder including loading, unloading, stacking in measurable stacks at work site paying forest royalty etc. complete as directed. [Average distance considered 25 Km]

Labour charge for pitching with one man size boulder including dressing and ramming the seat to proper size and slope, pitching etc. with local carriage of bouldersfrom a distance of 60 M with lift upto 3 M, complete as directed.

Supply and carriage of hard river gravel of size 13mm to 38 mm including carrying to work site and stacking in measurable stakes etc within a radius of 51 km including loading and unloading and paying of necessary forest royalty etc, complete.

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.

Earthwork in all soils in canal embankment & bed filling as per designed section and grade by truck carriage for a minimum distance of 4 KM including paying compensation of earth obtained from private, if any loading, unloading and stacking at not more than 1.00M height and spreading the same in embankment in layers not exceeding 15 cm thick including clearing light jungles, removing trees upto 15 cm dia & uprooting roots & stumps etc. from the seat of embankment, breaking clods to not more than 10 mm cube, ramming, dressing, roughening the seat of embankment, profiling etc.with all lead and lift complete as directed.

Supplying, fabricatimg fitting and fixing the steel gates of cross and head regulator as per design and drawing and specifications including supplying, fitting and fixing operating platform including supplying steel beam, channel sections, rubber seal etc. Embedded party where necessary and manual operated hoisting equipments including carriage of materials to work site complete as directed.

DETAIL ESTIMATE OF LEADING & ESCAPE CHANNEL & CLOSING DAM

Earthwork in excavation in diversion / feeder channel to the design section and grade by depositing the spoils in the form of an embankment on either side to the design section and grade in layers not exceeding 15 cm thick including clearing light jungle and trees upto 15 cm dia and uprooting roots and stumps etc. from the seat of the embankment and canal and free from all vegetation including breaking clods not more than 10 mm cube, ramming, dressing, bailing out stagnant rain water necessary complete as directed with a lead upto 30 M and lift upto 1.50 M.

Earthwork in filling in all soils in plinth, canal embankment and bed filling as per design section and grade by truck carriage for a minimum distance of 4 KM including paying compensation of earth obtained from private land if any loading, unloading, spreading the same including light jungle, removing trees upto 15 cm dia and uprooting roots and stumps etc. from the seat of the embankment, breaking clods not more than 10 mm cube, ramming, profiling etc. with all lift, complete as directed. (Payment will be made after deduction of 12.50 % shrinkage allowance from the gross quantity).

Construction of whole bamboo single pallasiding with matured bhaluka bamboo post 7.5 cm to 10 cm dia 5 cm apart 1.5 M to 1.8 M above ground and 1 M to 1.2 M below ground with jati bamboo struts placed 1.2 M to 1.5 M apart tied with galvanized wire with 16 G to 18 G complete with 3 rows of horizontal half jati bamboo kamies, complete as directed.

Supply and laying of cement bags filled with sand/ earth (as locally available) including stitching the mouth, laying, fixing in position as directed complete with supply of bags, sutlies etc, all complete as directed.

CONSTRUCTION OF APPROACH ROAD.

Earthwork in filling in all soils in plinth, canal embankment and bed filling as per design section and grade by truck carriage for a minimum distance of 4 KM including paying compensation of earth obtained from private land if any loading, unloading, spreading the same including light jungle, removing trees upto 15 cm dia and uprooting roots and stumps etc. from the seat of the embankment, breaking clods not more than 10 mm cube, ramming, profiling etc. with all lift, complete as directed. (Payment will be made after deduction of 12.50 % shrinkage allowance from the gross quantity).

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. (Quarry Distance = 50 KM)

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.