Renovation of Singua Flow I_Scheme under SOPD for the year 2022_23 under Boko Chaygaon Division Irrigation

Amount

Estimate for strengthening and re-sectioning of eathen canal C1DL from Ch. 0.00 m to 1260.00 m, canal C2DL from Ch. 0.00 m to 2530.00 m

Item No. 1 : Earthwork in filling in all soils in canal embankment and bed filling as per design section and grade by cart carriage for a minimum distance of 1 KM including paying compensation of earth obtained from private land if any loading, unloading, spreading the same in embankment in layers not exceeding 15 cm thick including clearing 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, dressing and roughening the seat of the embankment, profiling etc. with all lift, complete as directed. (Payment will be made after deduction of 12.50% shrinkage allowance from the gross quantity).

C.C. LINING OF CANAL C1DL OF SINGUA FIS FROM CH.0.00 M TO 250.00 M

Item No. 1 : Labour for preparation of subgrade of lined canal section as per design drawing and grade by ramming and rolled to level and according to the required cross section of the typical lined canal including cutting, filling the existing canal section where necessary compacting the earth in layers in not more than 15 cm thick to form a firm compacted bed & side for lining including watering to obtain required moisture content where necessary etc, complete as directed. (i) For sandy soil

Item No. 2 : Soling in foundation at all levels including filling intersides, ramming etc complete as directed and of specified thickness with 9 cm brick on flat including sand packing.

Item No. 3 : 12 mm cement plastering including clearing surface and curing, complete as directed. (i) In proportion 1:3

Item No. 4 : CC Work in lined canal in prop 1:2:4 with river shingles of size 6 mm to 20 mm free from dust, dirt and other foreign materials conforming to IS 2116-1965 and 542-1962 as specified by the department, water used for mixing the mortar should be free from all impurities including laying the concrete over the subgrade, moistened thoroughly by hand placing / mechanical placing in canal of not more than 3 M sides with suitable joints in between including providing bed sleepers (cast-in-situ or pre cast) under joints in between including providing all sealing materials as per design and drawing before laying concrete including finishing the surface smooth, clean of all impurities with curing the bed by manual labours and side by sprinkling for at least 28 days etc, complete as directed. (Proper arrangement for obtaining clean water should be made at site).

Item No. 5 : RCC work in slab, abutment cap and above abutment, pier cap, pedestal, dirt CuM wall etc. in proportion 1:2:4 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including curing etc. with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately). Longitudinal Beam Cross Beam

Item No. 6 : 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 on the face area timbered (ii) shuttering (Beam) without prop Longitudinal Beam Cross Beam

Item No. 7 : 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. Long Beam - 10mm dia Stirrups- 8mm dia Stirrups- 8mm dia Cross Beam - 10mm dia

Item No. 8 : River sand filling in plinth, canal bed, canal slopes, bases of structure etc in layers not more than 150 mm thick including necessary carriage, watering etc. compplete as directed as specified

Item No.9 :-Providing 50 mm wide expansion joints with bituminous compound mixed with coarse sand for canal work at an interval of 10 M apart including laying, fitting the compound in proper position, etc, complete as directed.

ESTIMATE FOR C.C. LINING OF CANAL C2DL OF SINGUA FIS FROM Ch. 0.00m to 557.00 m & Ch.570.00m to Ch.837.20m

Item No. 1 : Labour for preparation of subgrade of lined canal section as per design drawing and grade by ramming and rolled to level and according to the required cross section of the typical lined canal including cutting, filling the existing canal section where necessary compacting the earth in layers in not more than 15 cm thick to form a firm compacted bed & side for lining including watering to obtain required moisture content where necessary etc, complete as directed. (i) For sandy soil

Item No. 2 : Soling in foundation at all levels including filling intersides, ramming etc complete as directed and of specified thickness with 9 cm brick on flat including sand packing.

Item No. 3 : 12 mm cement plastering including clearing surface and curing, complete as directed. (i) In proportion 1:3

Item No. 4 : CC Work in lined canal in prop 1:2:4 with river shingles of size 6 mm to 20 mm free from dust, dirt and other foreign materials conforming to IS 2116-1965 and 542-1962 as specified by the department, water used for mixing the mortar should be free from all impurities including laying the concrete over the subgrade, moistened thoroughly by hand placing / mechanical placing in canal of not more than 3 M sides with suitable joints in between including providing bed sleepers (cast-in-situ or pre cast) under joints in between including providing all sealing materials as per design and drawing before laying concrete including finishing the surface smooth, clean of all impurities with curing the bed by manual labours and side by sprinkling for at least 28 days etc, complete as directed. (Proper arrangement for obtaining clean water should be made at site).

Item No. 5 : RCC work in slab, abutment cap and above abutment, pier cap, pedestal, dirt CuM wall etc. in proportion 1:2:4 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including curing etc. with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately). Longitudinal Beam Cross Beam

Item No. 6 : 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 on the face area timbered (ii) shuttering (Beam) without prop Longitudinal Beam Cross Beam

Item No. 7 : 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. Long Beam - 10mm dia Stirrups- 8mm dia Stirrups- 8mm dia Cross Beam - 10mm dia

Item No. 8 : River sand filling in plinth, canal bed, canal slopes, bases of structure etc in layers not more than 150 mm thick including necessary carriage, watering etc. compplete as directed as specified

Item No.9 :-Providing 50 mm wide expansion joints with bituminous compound mixed with coarse sand for canal work at an interval of 10 M apart including laying, fitting the compound in proper position, etc, complete as directed.

Construction of cattle cart crossing

Item No. 1: Earthwork in excavation trenches of walls, retaining walls, footing of columns, steps and septic tank including refilling (return filling) the quantity as necessary after completion of works, breaking clods in return filling, dressing, ramming, watering etc. and removal of surplus earth with all lead and lift upto 2 metre as directed and specified in following classification of soils, including bailing out of water where necessary upto depth below the existing ground level as mentioned in the approved drawing and complete as directed and specified. (A) In ordinary soil Wall Middle Post

Item No. 2 : Soling in foundation at all levels including filling intersides, ramming etc complete as directed and of specified thickness with 9 cm brick on flat including sand packing. Wall Bed Middle Post

Item No. 3 : ii) 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, bailing out water with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately). Wall Bed Middle Post

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

Item No. 5 : Centering and shuttering including propping, nailing, bolting with earth oiling inside face etc and removal of forms after completion of CC and RCC works etc, complete as directed. (Measurement to be taken on the face area timbered). (Abutment / Return Wall / Piers / Pedestal etc.) (i) With 19 mm thick plyboard

Item No. 6 : 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. 7 : 12 mm cement plastering including clearing surface and curing, complete as directed. (i) In proportion 1:3

Item No. 8 :Earthwork in filling in Marginal bund / Guide bank / Afflux bund / Canal embankment etc. to the design section and grade by obtaining earth from outside borrow pits and filling in uniform layers not exceeding 15 cm thick including clearing light jungle, removing trees upto 15 cm dia and uprooting roots and stumps from the seat of embankment and borrow pit area, breaking clods not more than 10 mm cube, ramming, watering, dressing and roughening the seat of embankment, profiling etc. Paying compensation of earth borrowed from private or forest land if any, lead upto 30 M and lift upto 1.5 M, complete as directed.

ESTIMATE FOR CONSTRUCTION OF OUTLET

Item No. 1 : EEarth work in excavation in foundation of canal structures in all types of soils as per design and drawing including dressing in foundation shoringetc removing the surplus spoils by head load to a safe distance from the working place and depositing the required spoils in uniform layers dressing watering breaking clods not more than 10mm cube with compensation complete as directed ( Including bailing out stagnant rain water where necessary.) A. All types of soil except mixed with gravel and boulder. (I) For normal lead of 30M. and lift of 1.5 M.

Item No. 2 : CC work in proportion 1:4:8 in foundation / abutment / 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. 3 : C.C. work in prop 1:3:6 in foundation/abutment/pier/wing walls etc. with hard river shingles of size 13mm to 38mm including curing with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately)

Item No. 4 : Supplying of R.C.C. Hume Pipe of size 0.15M. dia with collar including loading unloading and stacking the same complete as directed.

Item No. 5 : Labour for fitting and fixing hume pipe in position with collars including joiningthe cement mortar in proportion 1:3 and curing, including carrying the same from godown to site and complete as directed. (i) For 30 cm to 60 cm dia

Item No. 6 : Centering and shuttering including propping, nailing, bolting with earth oiling inside face etc and removal of forms after competition of C.C. & R.C.C. works etc, complete as directed (Measurement to be taken at the face area timbered) (Abutment/Return wall/ Piers/ Pedestal etc) (ii) With 38 mm thick wood plank.

Item No. 7 : 12mm cement plastering including clearing surface and curing complete as directed. i) In Prop.1:3.

Repairing and Renovation of Rest House at Head Work Site

Item No 1: Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. In cement mortar

Item No. 2: Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : Of area 3 sq. metres and below

Item No. 3 : Centering and shuttering including propping etc where necessary and removal of forms after completion of CC and RCC works as directed complete. (Measurement to be taken on the face area timbered). Door Window

Item No. 4 : Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:4 (1 cement : 4 coarse sand)

Item No. 5 : 12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand) Internal & External

Item No. 6 :Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) Floor

Item No.7 : Providing and fixing insulating board ceiling of approved quality with necessary nails etc. complete (frame work to be paid separately) : White face insulating board 12 mm thick

Item No. 8 : Providing and fixing 12 mm thick panelling or panelling and glazing in panelled or panelled and glazed shutters for doors, windows and clerestory windows (area of opening for panel inserts excluding portion inside grooves or rebates to be measured). Panelling for panelled or panelled and glazed shutters 25 mm to 40 mm thick. Door Window

Item No. 9 : Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately). Second class teak wood Door Window

Item No. 10 : Providing and fixing G.I. chain link fabric fencing of required width in mesh size 25x25 mm made of G.I. wire of dia 3 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge.

Item No. 11 : Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content. With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre Internal & External

Item No. 12 : Distempering with oil bound washable distemper of approved brand and manufacture to give an even shade : New work (two or more coats) over and including waterthinnable priming coat with cement primer Internal & External

MANOJ TALUKDAR