REPAIR MAINT TO CERTAIN ROADS INCLUDING ROAD FURNITURE AT AIRFORCE STATION DARBHANGA UNDER GE AF BIHTA

Amount

Material and labour for repair to pot holes not exceeding one sqm each including sweeping free from dust and mud water, scoring sunken surfaces in roads, paths etc cutting around edges to at least 25mm in depth making good by filling in screened & graded road metal , well ramming , watering including supply of road metal and applying tack coat of paving bitumen@ 5kg per 10 sqm using bitumen grade VG-30 putting in premixed bituminous macadam carpet 20mm thick, well rammed and sealed with premixed sand seal coat (6.8 kg of binder with 0.06 Cum of sand) again well rammed using again well rammed (including supply of premixed macadam, binder and cippings) depth of potholes not exceeding 30mm complete all as specified and directed by Garrison Engineer.

M & L for Preparing of old black top surface by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc complete all as specified and directed.

M & L for applying evenly a priming/ tack coat with bituminous primer of paving bitumen (VG-30) @ 5 Kg per ten Sqm over bituminous surface using pressure sprayer complete all as specified and directed.

Premix bituminous macadam (consolidated thickness 75 mm or less of Premix bituminous macadam ) using crushed stone aggregate with binder (paving bitumen VG- 30) with 4% by weight of total mix laid with hydrostatic mechanical paver /sensor paver as per required, rolled and compacted to required gradient and camber to smooth uniform surface with 8 to 10 tonne tandem vibratory road rooler to achieved desired compaction all as specified in particular specifications. Note:- (i) The quoted rate shall be worked out on the basis of binder contents (bitumen VG-30) of 4% by weight of total mix. (ii) Work shall be executed as per design mix as approved by GE and less bitumen shall be deducted from the quoted rate.

M & L for Providing Bituminous premix asphaltic semi dense concrete 30 mm consolidated thickness with minimum 5.50% binder content by weight of total mix, using paving bitumen (VG -30), laid with hydrostatic mechanical paver/ sensor paver as per required, rolled and compacted to required gradient and camber to smooth uniform surface with 8 to 10 tonne tandem vibratory road rooler to achieved desired compaction all as specified in particular specifications. Note :- (i) Work shall be executed as per design mix as approved by GE. (ii) The binder content specified is minimum. Any variation in binder content during design mix at site/plant on plus side shall be borne by the contractor without any extra cost to the Government. (iii) Cement shall be used as filler at a minimum of 2% by weight of total mix. In the event of variation in the mix design in the percentage of filler content on plus side. nothing extra shall be paid. (iv) Work shall be executed as per design mix as approved by GE and less bitumen shall be deducted from the quoted rate.

M & L for preparing the new bituminous surfaces by removing or cleaning of all dirt,scales, oil grease and foreign materials etc and providing 2.5 mm (minimum) thick and width as per required hot thermoplastic paint (Retro reflective type) for road marking in white/yellow shade by fully automatic thermoplastic paint applicator machine,fitted with profile shoe,gun , beads dispenser, propane tank,heaters and profile shoe,heaterdriven by skilled operator on road surfaces complete all as specified and directed. Note:-(i) Road marking work shall be carried out accordance with manufacture's instructions and specification shall be done as per particular specification. (ii) Refer MORTH specification of para 803.4.2.1 and 800.4.2.2 on bituminous surface/surfaces in white colour or yellow colour and super imposed with glass beads confirming to BS 6088 and MORTH specification para 803.4.3.3

Supply and fixing in repair duo directional CAT eyes ( road studs) of size 100mm X 110mm X 20mm made up of weather resistant high impact polymer confirming to ASTM D4280 and having electronically welded micro prismatic lens with abrasion resistant coating and fixed with 2 Nos of polymer shanks and epoxy adhesive conforming to IS as per manufactures instructions complete all as specified and directed . Note : Make : dark eye cat part No DA-52, Green lite Cat pat No. GPL-01-04 or equivalent as per appendix B

Supply and fixing in repair solar delinator fixed on pedestal 400mm X 400mm X 600mm of PCC 1:2:4 type B1 using 20mm graded stone aggrgate duly anchored in ground on various locations with palstering 10mm thick in CM 1:6 finished with white washing three coat after preparation of surface complete as per manufacturer instructions complete all as specified and directed . Note : Make : dark eye cat part No DA-112, or make equivalent as per appendix B

PAPPU ROY CONSTRUCTION (BID ID -3069048)

M/s.Asha Enterprises (BID ID -3055356)