BTR_RIDF_XXXI_25_26_17 Construction of RCC Bridge No.1/1 over river Dhola on No.1 Bishnupur Bazar to Daoraibari road under RIDF-XXXI of NABARD for the year 2025-26.

construction of cold weather bamboo bridge overall width 3.70 m and clear road way 3 m with jungle wood post 20 cm to25 cm dia 5 nos.in each raws and raws being 2.1 m apart except for the navigable span which should be 3 m. Post to be driven atleast 180 cm or more below ground level including providing 20 cm to 25 cm centre to centre and placed over 20 cm dia, jungle wood dham, 15 cm dia jungle wood bracing collar fixed by bolts and nuts , straps etc. mature bholuka bamboo cross groth all closely packed and tied 75 cm wide track way made from 38 mm thick 1st class local plank fixed on 75mmx100mm first class local wood battens 120 cm apart and three lines of jati bamboo horizontal railing fixed in bholuka bamboo post placed at 210 cm apart and white washed including all necessary nuts and bolts, coir ropes, struts, nails etc. complete with alayer of brushwood to exposed portion out side track way with earth topping complete as per direction of the department.

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. Ordinary Soil Manual means (i)Without dewatering

Providing and construction temporary islannd 16 m diameter for construction of well foundation for 8m dia well

Item No.4/4:Providing and construction one span service road to reach island location from one pier location to another pier location

Providing and laying cutting edge of mild steel weighing 40 kg per metre for well foundation complete as per drawing and as per Clause 1200 & 1900 of MoRT&H Specification.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and Technical specification including steel shuttering formwork (p) with plasticiser (Masterplast PL-1/SPL-2 or equivalent ). air entraining and water reducing plasticiser (Masterplast PAE or equivalent) and accelerating plasticiser (Master plast ACPL or equivalent ) Conforming to IS-9103-1999 A) Well Curb RCC M-25 Grade Case-I Using Concrete Mixer

Plain/Reinforced cement concrete, in well foundation complete as per drawing and Technical specification including steel shuttering formwork (p) with plasticiser (Masterplast PL-1/SPL-2 or equivalent ). air entraining and water reducing plasticiser (Masterplast PAE or equivalent) and accelerating plasticiser (Master plast ACPL or equivalent ) Conforming to IS-9103-1999 B) Well Staining v) RCC M-25 Grade Case-I Using Concrete Mixer

Plain/Reinforced cement concrete, in well foundation complete as per drawing and Technical specification including steel shuttering formwork (p) with plasticiser (Masterplast PL-1/SPL-2 or equivalent ). air entraining and water reducing plasticiser (Masterplast PAE or equivalent) and accelerating plasticiser (Master plast ACPL or equivalent ) Conforming to IS-9103-1999 C) Bottom Plugging v) PCC M-30 Grade Case-I Using Concrete Mixer

Plain/Reinforced cement concrete, in well foundation complete as per drawing and Technical specification including steel shuttering formwork (p) with plasticiser (Masterplast PL-1/SPL-2 or equivalent ). air entraining and water reducing plasticiser (Masterplast PAE or equivalent) and accelerating plasticiser (Master plast ACPL or equivalent ) Conforming to IS-9103-1999 E)Top Plugging v) Grade-M-25 PCC Case-I Using Concrete Mixer

Plain/Reinforced cement concrete, in well foundation complete as per drawing and Technical specification including steel shuttering formwork (p) with plasticiser (Masterplast PL-1/SPL-2 or equivalent ). air entraining and water reducing plasticiser (Masterplast PAE or equivalent) and accelerating plasticiser (Master plast ACPL or equivalent ) Conforming to IS-9103-1999 F) Well cap v) RCC Grade M-30 Case-I Using Concrete Mixer