Anti erosion works at downstream right bank of river Ganga near Jessop Colony upstream in Reach 1 between Ch 900 and Ch 1300. Total working length 400 m

Amount

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.

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 not necessary.

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).

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 at site and laying in position UV stabilized needle punched, stapled fibre / continuous filament polypropylene non-woven geotextile of 300 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.

Providing and laying a cushion of 15 cm thick Ganga sand/earth over Geo-textile filter (below boulder pitching and apron) on slope of river bank, embankment and apron on land including spreading uniformly so as to avoid any rupture /cut by the sharp edges of boulders of pitching and apron.

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 ) a) 1.20 metre x 1.80 metre nominal section

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 ) h) 0.75 metre x 0.45 metre nominal section

Labour charges for bouIder pitching on top and slope by placing required boulders (each weighing 20 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

Relaying displaced stone or laterite boulder pitching including dressing, preparing bed with necessary earthwork upto 30 cm depth complete with cost of collection of boulder within a lead of 30 metre

Supply of RCC (1:2:4) Porcupine (having 6 members each) of size of each member 0.10m x0.10mx 3.00 m reinforced with 4 (four) nos of 8 mm dia M.S. rod & 6mm dia MS stirrups having 27 cm interval holes of 20 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 20 mm dia at 65 cm inside from both ends including properly curing and supply at work site including assembling , laying on land/ river , fixing & tying of bushes with G.I binding wire as directed.

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.

M 15 RCC block of size 1.25 m x 1.25 m x 1.00 m. Cast in-situ with centering , shuttering, and removal of formwork for mass concrete including proper curing as per direction of the Engineer-in-Charge.

Making sausage cage with 12 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 naggregates 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

Making sausage cage with 12 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 naggregates 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 0.60 m

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

Providing Chute drains 250 x 300 mm (inside dimensions) across Embankment Slopes in approaches of Bridges and on horizontal curves consists of earthwork in excavation for foundations of structures as per drawings and technical specifications Clause 307 for Rural Roads of MORD including setting out construction of shoring and bracing deleterious matter, dressings of sides and bottom and backfilling with approved material (By manual means), Plain Cement Concrete (1:2:4), 125 mm thick Brick Masonry followed by 20 mm thick plastering (1:4) and 75 mm thick Coping with M-20 Concrete on top of the Chute Walls as per specification, drawing, and direction of the Engineer-in-Charge.

M/S GANGWAL CONSTRUCTION CO