Barpeta/SOPD-G/2025-26/R_R/01 Const of protection wrks for Br Foundation at P3,P4andP5 of RCC br np 51/1 over River Beki on Barpeta Lengtisinga road(SH-2) by providing boulder dumping,Bamboo Screening and Excavation on Upstream Side(PROTECTION WORKS)

Supply of Geo Bags Type-B (Size 2.00m × 1.50m inner to inner) (Pillow Type) made of composite layers of Polypropylene (PP) fibre as per IS 16653: 2017 for Nonwoven and IS 16654 : 2017 for Woven: Woven Geo-textile for the outer cover (300gsm): The woven geo textile is woven with multifilament woven fabric manufactured from ultra violet stabilized polypropylene. Geo-textile used to manufacture geo- ......etc.encountered chemicals, alkalis, and acids. Properties (i) Tensile strength (MD) ≥80 KN/m & Tensile strength (CD) ≥70 KN/m (ii) Elongation (MD) ≤25% & Elongation (CD) ≤25% (iii) Abrasion ≥75% (iv) Trapezoidal Tear Strength (MD) ≥1500N & Trapezoidal Tear Strength ......ETC Non-Woven Geo-textile for the inner layer (300gsm): It is needle punched non-woven geo-textile made of 100% polypropylene staple fibres which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis. Properties

Collection of river boulder of size 23cm to 30cm in average and minimum Weight 30 Kg having (i) specific gravity not less than2.65, (ii) Aggregate Chrushing <30% (wearing) & < 45% (non wearing) (III) Impact Value(%) max <30% (wearing) & < 45% (nonwearing) and (IV) Abration Value(%) <30% (wearing) & < 50%(non wearing)( Materials conforming to IS 2386 part III & IV 1963)free from dust, dirt and other foreign materials including necessarycarriage and stacking in regular measurable stacks at site, monopoly, etc. complete as directed. (10% under sized (not less than 10 cm) boulder is allowable forpacking/filling the gaps occurred during execution of works)Complete as directed. (15% deduction will be made from the stack measured quantitieson account of void). Basic rate analysis.

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

Labour charge for loose dumping boulder of 23cm. to 30cm. size in loose in eroded portion of river bank/ bed including handling charge and including site carriage of boulder from stack yard/ dump site within a distance of 150 m.etc. complete as directed. With engine boat

Labour charge for dumping boulder in cage made of wire netting sheets of size 2.57x1.66m of 8G galvanized wire making the cage from 2 nos. of wire netting sheet by tying the projected wires, filling boulder inside in cage,launching the same in position, including all handling charges and including site carriage of boulder from stack yard/ dump site within a distance of 150 m. etc. complete as directed. (wire netting sheets to be supplied by the Department free of cost) with engine Boat

Construction of whole Bholuka Bamboo double Screen with matured Bholuka Bamboo stacks 75mm to 100mm dia, placed at 30 cm clear apart (i.e. 40 cm C/C) driven 4.00 m to 4.50m below ground and 3.0m to 3.50m above ground with hydraulic driving equipments including hire charge of equipment, cost of P.O.L. etc. and providing with 1 (one) row of horizontal half Jati bamboo kamies tied with galvanised wire of 16 G to 18 Getc complete as directed. (Using Bhaluka Bamboo at the rate of 240.00 nos/ Rm & Jati Bamboo at the rate of 9.60 nos / Rm)

Earth work in excavation of drainage channel by mechanical means to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance ofminimum 50 m distance, etc. complete as directed. For lead upto 50 m and all lifts Wet & Sticky Soil

Please Enable Macros to View BoQ information