REPAIRS/RESURFACING TO ROADS IN TECHNICAL AREA AT AFS BAGDOGRA UNDER GE (AF) BAGDOGRA

Amount

Note 1:- (Applicable for all parts/items) : The biidders/contractors are advised to read tender documents & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.

Scarifying or picking gravelled, macadam or bituminous macadam surfaces exc 50mm and not exc 100 mm deep in surface area n exc 400 sqm complete all as specified and directed.

M&L 7.5 cm thick (compacted thickness) WBM, with coarse aggregates (granite, trap or basalt) of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled and consolidated to gradient and camber required to match with existing surface rolled with 8-10 tonne power roller complete all as specified and directed.

Preparing Unsurfaced water bound macadam by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly a priming/ tack coat with bituminous primer using paving bitumen VG-10 at 10 kg per 10 sqm over WBM surfaces complete all as specified and directed.

Repairs to pot holes any depth, not exc 1 sqm each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc cutting around edges to atleast 25mm in depth making good by filling in screened & graded road metal, watering and well ramming (including supply of road metal) and making good by applying tack coat @ 5 kgper 10 sq m, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sq m, blinded with 0.09 cu m of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings) depth of potholes exc 30 mm complete all as specified and directed.

M&L for preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the clean surface with gunny bags to remove all loose dirt etc and applying evenly a priming / tack coat with bituminous primer at 5 kg/ 10 sqm using paving bitumen VG-10 over existing black top surfaces all as specified and directed.

M&L for bituminous premixed semi-dense asphaltic concrete, 40mm consolidated thickness using 5.5% paving bitumen VG-30 binder content any penetration by weight of total mix, rolled and compacted with 8 to 10 tonne power roller to uniform surfaces with required camber and gradient complete all as specified and as directed. Note:- Semi dense asphaltic bituminous concrete shall be designed as per design mix. Contractor shall quote his unit rate considering the bitumen contents as 5.5 %. Any variation in binder content on minus side shall be adjusted at the rate of Rs. 50.00 per KG of binder. No adjustment in price shall be made if the variation is on plus side.

M/S MANAS MITRA (BID ID -3110737)

SARKAR ENGINEERING CO. (BID ID -3112063)

M/S B K ENTERPRISE (BID ID -3109507)

SHRI P P SHARMA (BID ID -3109106)

INDIA DEVELOPMENT CONSTRUCTION (BID ID -3113006)

SUNIL DAS AND CO (BID ID -3110532)

RABI BANIK (BID ID -3111309)