SDRF_Mld_1_21_22 Restoration of flood damaged road from Mowamari to Baghpari Road (from Ch. 0.00 Km to 1.90 Km) under SDRF in PWRD mangaldai and Dalgaon Territorial Road Division for the year 2021-22

Amount

Providing, laying, spreading and compacting stone aggregate of specific sizes to WBM specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 8-10 tones in stages to proper grade and camber, applying and brooming, stone screening/binding to fill up the inter stices of coarse aggregate, watering and compacting to the required density grading 3 as per Technical Specification Clause 405. Using stone screening Type-A 13.2 mmm fo Grade- 3 4.7/3(A)Grading-II (A) By Manual Means

Providing, laying, spreading and compacting stone aggregate of specific sizes to WBM specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 8-10 tones in stages to proper grade and camber, applying and brooming, stone screening/binding to fill up the inter stices of coarse aggregate, watering and compacting to the required density grading 3 as per Technical Specification Clause 405. Using stone screening Type-A 13.2 mmm fo Grade- 3 4.7/3(A)Grading-III (A) By Manual Means

Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 1.00 kg/sqm using mechanical means.)( Including cost of testing of materials at site and laboratory as directed by the deptt - With bitumen emulsion-CSS-1h

Providing and applying tack coat with bitumin emultion (CRS-I) using emultion distributor at the rate of 0.25Kg/sqm to 0.30 Kg/sqm on the prepared dry and hungry bituminious surface cleaned with hydraulic broom as per Technical Specification Clause 503

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing coursen on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508. Case - I: By Manual Means Bitumen (S-90)

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 By Manual Means Case - I : Type A Bitumen (S-90)

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801. (iv)80cm X 60 cm rectangular

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801. (ii) 60 cm equilateral triangle

SRI HARI DAS

NIP DUTTA SAHARIA

SRI AMAL BARUAH