A/E measures to protect Bull Head II at Neamatighat from erosion of river Brahmaputra

Amount

Collection and supply of hand chiseled broken stone boulder of size 23cm to 30cm in average having (i) specific gravity not less than 2.65 and materials properties conforming to IS 2386 part III & IV 1963 and free from dust, dirt and other foreign materials from approved quarry (Dollamora) including hire charge of truck with driver and handyman, necessary carriage, loading, unloading etc. and stacking in regular measurable stacks of approximate 1.00(one) m. height at the stack yard, payment of forest royalty, monopoly charges etc. complete as directed. (15% deduction will be made from the stack measured quantities on account of voids).

Construction and supply of Wire-netting box of size 1.50m x 1.50m x 0.45m made with mechanically woven, double twisted, hexagonal shaped wire mesh with wire made of low carbon, high ductile MS wire with heavy class of galvanization with an additional layer of PVC coating with mesh type of 10x12 as per EN 10223 & ASTM A975, mesh wire of 2.70mm (I.D)/3.70mm (OD) tensile strength of 450-500/mm², edge wire/selvedge around it at least 2.5 times, lacing wire (zink P.V.C coated) of 2.20mm (I.D)/ 3.20mm (O.D) P.V.C coating thickness of 0.50mm nominal, 0.38mm minimum and with average weight per unit being 12 kg with additional 3% of box for lacing wire supplied separately, supporting the facing box with Zinc coated steel wire of required length as directed, compling with A.S.T.M and Europian norms, including payment of all duties, sale tax, any other taxes as applicable loading, unloading and staking them at the site of work in measurable stacks, complete as directed.

Local carriage of boulder, metal, gravel/sand etc. from the approachable site beyond 150m and up to 3.00Km from the work site including loading from stack and unloading at work site with 10 (ten) ton capacity truck, supplying P.O.L. etc. complete as directed.

Labour charge for dumping boulder in cage made of wire - netting box of size 1.50m x 1.50m x 0.45m made with mechanically woven, double twisted, hexagonal shaped wire mesh with wire made of low carbon, high ductile MS wire with heavy class of galvanization with an additional layer of PVC coating with mesh type of 10x12 as per EN 10223 & ASTM A975, mesh wire of 2.70mm (I.D)/3.70mm (OD) tensile strength of 450-500/mm², edge wire/selvedge around it at least 2.5 times, lacing wire (zink P.V.C coated) of 2.20mm (I.D)/ 3.20mm (O.D) P.V.C coating thickness of 0.50mm nominal, 0.38mm minimum and with average weight per unit being 12 kg with additional 3% of box for lacing wire supplied separately, supporting the facing box with Zinc coated steel wire of required length as directed, compling with A.S.T.M and Europian norms. Without boat:

Labour charge for dumping boulder in cage made of wire - netting box of size 1.50m x 1.50m x 0.45m made with mechanically woven, double twisted, hexagonal shaped wire mesh with wire made of low carbon, high ductile MS wire with heavy class of galvanization with an additional layer of PVC coating with mesh type of 10x12 as per EN 10223 & ASTM A975, mesh wire of 2.70mm (I.D)/3.70mm (OD) tensile strength of 450-500/mm², edge wire/selvedge around it at least 2.5 times, lacing wire (zink P.V.C coated) of 2.20mm (I.D)/ 3.20mm (O.D) P.V.C coating thickness of 0.50mm nominal, 0.38mm minimum and with average weight per unit being 12 kg with additional 3% of box for lacing wire supplied separately, supporting the facing box with Zinc coated steel wire of required length as directed, compling with A.S.T.M and Europian norms. With boat:

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10m X 0.10mX 3.00m with M-30 grade of cement concrete conforming to IS 1343:2012 using super plasticizer @1.2 lit/bag of cement with graded broken course aggregates up to 20 mm size down conforming to IS 10262:2009 & IS 456:2000 and reinforced with 4 Nos. of 4 mm dia high tensile steel wire cable with necessary cover and 4mm high tensile stirrups at 250mm C/C, in conformity with IS-6403:R2002 and stressed to required strength not exceeding 9.18 N/mm, holes of 16 mm dia at 50 cm inside from both ends in the same face and in either face of post another 2 Nos. of holes of size 16 mm dia at 65mm inside from both ends including properly curing for 21 (twenty one) days and carriage of porcupine members from factory to the stack yard within a distance up to 20 Km including loading, unloading & stacking complete as directed. (including forest royalty and all taxes as admissible)

Local carriage of Porcupine members by Diesel truck of 10 MT capacity including loading at stack yard and unloading and stacking at river bank for all lift, complete as directed (For 1 KM)

Labour charge for launching of PSC Porcupine including carriage of PSC porcupine members of size 0.10m × 0.10m × 3.00m from the stack yard to the place of launching ,erection of the Porcupine with 6 (six) members properly, supply & fitting/fixing with 12 mm dia 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) Launching without boat

Labour charge for launching of PSC Porcupine including carriage of PSC porcupine members of size 0.10m × 0.10m × 3.00m from the stack yard to the place of launching ,erection of the Porcupine with 6 (six) members properly, supply & fitting/fixing with 12 mm dia 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) Launching by boat:

SANJIB BORUAH

M/S. M.P. AGARWALLA