Bank protection work at the upstream left bank of river Ganga near Birnagar area from Ch 1530 m to Ch 2000 m. Total working length 558 m. Reach 1

Amount

Earthwork in excavation in the canals / drainage channels / borrow pits / River bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc. complete as per direction of the Engineer-in-charge. (a) Ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil.

Supplying Nylon cage netting 1meter x1meter x1meter size with knot having mesh size 17.5 cmx17.5 cm constructed with nylon thread ( 210x24) having tensile strength not less than 250 kg/sq cm including carriage,delevary and stacking at site inclusive of all taxes complete.

Supplying at site High Density Polyethylene (HDPE) bag of size 0.84 m x 0.38 m conforming to BIS : 14252 : 2015 for bank protective works including all cost of cost of transportation on road by all means,including other incidental charges complete. Note: Payment will be made subject to the result of 3rd Party Testing, to be done by the Engineer-in-charge departmentally. Paragraphs 2.8 including the sub-paragraphs, i.e. 2.8.1 and 2.8.2 under the Chapter of “Specification for Works” in the USoR shall be reproduced and included in the tender document as “Specification and Special Terms & Conditions for High Density Polyethylene (HDPE) Bags” in case of use of this item in the estimate.”

Labour charges for filling HDPE bags with filler materials (earth/sand), machine stitching the open end of the bag with thread as per design and placing the same on slope or dumping from bank within initial lead of 30m and all lifts including carriage and hire charges of all materials and equipments but excluding the cost of filler materials as directed by Engineer-in-Charge (Volume of earth/sand filled bag should not be less than 0.0328 cum)

Extra rate for item above for dumping by boat in flowing/stagnant water including the cost of hiring of boat, boatman, including loading into boat and dumping in specified location including all other equipments etc complete as per direction of Engr-in-charge.

Labour charges for dumping and placing in position properly filled in Nylon crates with filled in gunny/poly cement bags (minimum 25 nos. having capacity 50 kg) with local earth or sand, sewing and tying the crate with nylon wire within a lead of 150 m. and all lifts in river slope or bed by cutting trenches up to 50 cms depth, if necessary, or by boat including cost of hire charges of boat, boatmen and other necessary equipments and also including cost of bags, carriage and charge of filling bags with earth / sand but excluding cost of nylon crate as per direction of the Engineer – in – Charge. NB:- Volume of each earth/ sand filled bags should not be less than 0.028 m3 Size of Nylon crate is 1metre X 1metre X 1metre (b) Where boats are necessary This is applicable for filling of HDPE bags in nylon crates

Labour charges for dumping and placing in position properly filled in Nylon crates with filled in gunny/poly cement bags (minimum 25 nos. having capacity 50 kg) with local earth or sand, sewing and tying the crate with nylon wire within a lead of 150 m. and all lifts in river slope or bed by cutting trenches up to 50 cms depth, if necessary, or by boat including cost of hire charges of boat, boatmen and other necessary equipments and also including cost of bags, carriage and charge of filling bags with earth / sand but excluding cost of nylon crate as per direction of the Engineer – in – Charge. NB:- Volume of each earth/ sand filled bags should not be less than 0.028 m3 Size of Nylon crate is 1metre X 1metre X 1metre (b) Where boats are necessary.. This is applicable for filling of poly cement bags in nylon crates

Darma mat stiffened with split bamboo wailing pieces in both direction @ 50 cm c/c, placed, fitted and fixed with frame work or behind piling works and tied with 22 SWG, GI wire as per direction including cost, carriage and supplying all materials to site complete.

Supplying at site and laying in position UV stabilized polypropylene woven geotextile of 430 gsm as filter, as per specification, including cost of preparing the bed, placing the geotextile as per profile with at least 15cm lapping, wherever required and anchorage at top, sewing / welding the overlapped portion, storage and transportation by all means, complete as per direction of the Engineer-in-charge. Note: 1. Payment to be made on measurement of finished surface without lapping, but including anchoring length at top. 2. Payment will be made subject to the result of 3rd Party Testing, to be done by the Engineer-in-charge departmentally. Paragraphs 2.7.7, 2.7.9 and 2.7.10 under the Chapter of “Specification for Works” in the USoR shall be reproduced and included in the tender document as “Specification & Special Terms & Conditions for Geotextile” in case of use of this item in the estimate. 3. This particular item is to be used in special cases, either in continuation of previous usage or after offering adequate justification from techno-economical angles.

Supply of stone boulder at site including Royalty, loading, unloading, transportation, stacking, stacking unloaded boulder on private land all complete. Pakur source (Each weighing 25 kg & above)

For placement of Stone Boulder 25 Kg and above on Land

For placement of GI wire sausage cage of size (1.00 m x 1.00 m x 1.00 m) filled with boulders and dumping/ placing from Barge with the help of crane.

For placement of GI wire sausage cage of size (1.00 m x 1.00 m x 0.60 m) filled with boulders and dumping/ placing from Barge with the help of crane.

Making sausage cage with 10 SWG galvanized iron wire of 125 mm. x 125 mm. mesh wire netting with proper lapping of minimum 150 mm. including sewing the joints with 10 SWG G I wire and supply of all materials and equipments including placing the sausage cage in position, filling the same with boulder or lump aggregates complete as per direction of the Engineer-in-charge but excluding the cost of boulder / lump aggregates and its carriage upto site.

a) Size :- 1.00 m x 1.00 m x 1.00 m

b) Size :- 1.00 m x 1.00 m x 0.60 m

Making rectangular sausage cage with 10 SWG galvanized iron wire of 125mm. x 125mm. mesh wire netting with proper lapping of minimum 150 mm. including sewing the joints with 12 SWG G I wire and supply of all materials and equipments including placing the sausage cage in position, filling the same with boulder or lump agreegates complete as per direction of the Engineer-in-charge but excluding the cost of boulder / lump aggregates and its carriage upto site.(Cost is excluding the cost of end pieces ) 1.20 metre x 1.80 metre nominal section

Supply of G.I wire netting of different mesh and made with different SWG G I wire at site as per direction of the Engineer-in-charge. Mesh size 125 mm x 125 mm with 10SWG wire

Labour charges for laying boulder/ shingles in apron or within wire netting of sausage for slope pitching including carriage upto 30 metre and all lifts & dressing the exposed faces etc. complete as per direction of the Engineer-in-charge.

Labour charges for bouIder pitching on top and slope by placing required boulders (each weighing 25 Kg. and above within lead of 100 metres and all lifts) including filling the interstices with fragments as required, preparing sub-grade by cutting or filling the earth on slope upto 7.5 cm. depth, watering and ramming where necessary complete as per direction of the Engineer-in-charge. a) Over Jhama Khoa / metal filter/ Geo-textile filter

Earthwork supplied by boat within a lead of 8 KM including loading, unloading and stacking at site complete as per direction of the Engineerin- charge.(measurement will be made on the basis of stack measurement with due allowance for shrinkage).

Supply of RCC ( 1:2:4 ) Porcupine ( having 6 members each ) of size of each mamber 0.10 m x 0.10 m x 3.00 m reinforced with 4 ( four ) nos. of 8 mm dia M.S. rod & 6 mm dia M.S. stirrups having 27 cm. interval ( 12 nos stirrups ) holes of 25 mm. dia at 50 cm. inside from both ends and in same face and in either face of post, another two nos. of hole of size 25 mm dia at 65 cm inside from both ends including properly curing and supply at work site including assembling by nut and bolts, washer arrangements, laying in partially submerged condition, fixing & tying of bushes / thorny bushes coupled sisso branches / char grasses / bamboo bushes duly approved by E.I.C. with 20 gauge G.I. binding wire as directed. ( Both Malda and Murshidabad District )

Supplying fitting and fixing and tied the procupine to each other by ROPE @ STEEL WIRE 6 MM PER METER (GI Guy rope 6 mm Steel core)) near the top and bottom thord portion of each porcupine and anchored into the river bed and bank as necessary by usiing anchor block with anchor bolt with clamp as per direction of the Engineer-in-Charge.

Supplying Jhaw / Eucalyptus bullah piles at work site, including dressing and making one end pointed.

(i) 10 cm av. Diameter

(ii) 12.5 cm av. Diameter

Labour for driving Jhaw / Eucalyptus bullah piles by monkey in all sorts of soil including hoisting and placing piles in position, protecting the pile head with iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles. Note: 1) Payment to be made on the length driven into the ground. Diameter to be measured at 1.5m. from the thicker end. 2) For string staging under specific instruction of Engineer-in-charge or for driving from pontoon or boats, the rate will be enhanced by 4.00 per meter. 3) For driving done by pile engine set (without staging) under specific instruction of Engineer-incharge, the rates will be enhanced by 4.00 per meter. 4) For driving done by pile engine set (with heavy staging or from specially made pontoon) under specific instruction of Engineer-incharge, the rates will be enhanced by 7.00 per metre

(i) 10 cm av. Diameter

(ii) 12.5 cm av. Diameter