SOPD_ODS_23_24_01 Reconstruction of SPT Bridge No. 1/1 on Hutar to Kankha Chapori road including it approaches under SOPD-ODS for the year 2023-24 under Majuli District Territorial Road Division, Majuli LAC

Amount

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees of girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness. I) By Mannual Means A) In area of Light Jungle

Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300.2 (Including cost of testing of materials at site and laboratory as directed by the dep't.) i) From Pvt Land

Construction of Sub grade & Earthen Shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300.2 (a) (Including cost of testing of materials at site and laboratory as directed by the dep't.) i) From Pvt Land

Construction of Granular Sub-base by providing coarse Graded Material, spreading in uniform layers with motor graded on prepared surface, mixing by mix in place method with rotovator at OMC and compacted with vibratory roller to achieve the desired density complete as per cl.401 II) For Grading II Material

Supplying, laying, fitting and fixing g-mat in doubled layer composite geo textile fabricated to form a three dimensional mattresses after filling sand by pump, the upper layer of mattress being heavily woven with polyproplyne fabric needle punched with a mixture of U.V. stabilized green fibres and cut tape yarns (Typical value of mass per unit area ASTM D5261) is 650g/sqm, tensile strength (ASTMD4595)is 45kn/m, pore size (ASTMD4751) is less than 0.35mm and UV stability (strength retained per ASTMD4355-92 @ 500hrs is 80%) the lower layer of the mattress being polypropyline wooven fabric, UV stabilized (Typical value of mass per unit area (ASTM D 4595) is greater than 80kn/m, pore size (ASTMD4751) is less than 0.35mm and UV stability (strength retained per ASTM4355-92 @ 500hrs is 80%). The sewing thread being of high tenacity polyster, continued parrell stitches positioned 350mm apart with a stitch length not exeeding 40mm anchoring by cutting trenches of 1.5m x 1m placing the mat filling earth filled cement bags anchorage at lower end, double locking chain stitch 3 stitch/inch including all charges complete. (Approved rate of CWC for the FMP scheme under WRD)

Wood work including supplying , fitting and fixing complete with necessary M.S. bolts, nuts, nails, screw etc. and coal tarring two (2) coats with best tar applied hot (Rate is inclusive of the cost of the required quantity of tar.)Using Azar/Nahar/Nageswar/Zarul Wood: Undressed in floor planks, collars, bracing, standards, wheel guards, struts and railings, runner belts, rail, posts etc

Wood work including supplying , fitting and fixing complete with necessary M.S. bolts, nuts, nails, screw etc. and coal tarring two (2) coats with best tar applied hot (Rate is inclusive of the cost of the required quantity of tar.)Using Azar/Nahar/Nageswar/Zarul Wood: In track way planks (alternate nailing to be done with decking in a seggragate way)

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510

Providing and fixing of typical PWRD informatory sign board with Logo as per MORD specifications and drawing. Three MS Plates of 1.6 mm thick, top and middle plate duly welded with MS flat iron 25mm x 5m size on back on edges. The lower plate will be welded with MS angle iron frame of 25mm x 25mm x 5mm. The angle iron frame of the lower most plate and flat iron frame of middle plate will be welded to 2 nos. 75mm x 75 mm of 12 SWG sheet tubes posts duly embedded in cement concrete M-15 grade blocks of 450mm x 450mm x 600mm, 600mm below ground level. The top most diamond plate will be welded to middle plate by 47mm x 47mm of 12 SWG steel plate tube. All M.S. will be stove enameled on both sides. Lettering and printing arrows, border etc. will be painted with ready mixed synthetic enamel paint of superior quality in required shade and colour. All sections of framed posts and steel tube will be painted with primer and two coats of epoxy paint as per drawing Clause 1701 and Annexure 1700.1

Dressed Wood Guard Post: Supplying, fitting and fixing 20cm to 25cm diameter Jungle Wood Dressed guard post of 150cm long erected 75cm above the ground and 75cm below the ground, fitted with horizantal struts size 50mm x 50mm x 550mm long at bottom with necessary nails necessary etc. including coal tarring one coat below ground and painting surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed.

Sanjib Sarma

AMITABH TAMULI

Sarat Gam

BIPLAB NEOG