CA NO CWE/PAT/T-05/2020-21 SPECIAL REPAIR TO ROAD FROM GD POST NO 23 TO GUARD POST NO 24 AT DAPPAR UNDER GE (P) DAPPAR

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surface in area exc 400 sqm and exc 50mm and n exc 100mm deep and cleaning surfaces including removal of material upto a distance exc 50m and depositing serviceable material where directed complete all as specified.

Preparing existing surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surfaces with gunny bags and air compressor to remove all loose dirt etc.and applying a tack coat of paving bitumen of grade VG-10 @ 10 Kg per 10 Sqm for premix bituminous carpet all as specified .

Preparing old black top surfaces / Bituminous Macadam by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surfaces with gunny bags and air compressor to remove all loose dirt etc.and applying a tack coat of paving bitumen of grade VG-10 @ 5 Kg per 10 Sqm for premix bituminous carpet all as specified and directed

Providing and laying Premix Bituminous macadam of consolidated thickness 25mm to 50mm, using paving bitumen binder of grade VG-30 @ and binder content of 4% by weight of total mix with mixing of aggregates and VG-30 bitumen in electronic operated 100-120 TPH batch type hot mix plant, transporting the hot mix from HMP to work site by tippers and laying with hydrostatic paver finisher (Paver shall not be compulsory in case of patch work using B.M.) and as per approved mix and rolled & compacted to required camber and gradient with 8 to 12 tonne smooth wheeled, vibratory and tandem roller, complete all as per Clause 504 MoRTH (5th Rev) specification and as specified and directed. NOTES : 1. The contractor shall quote the rate against Item considering 4% VG-30 bitumen content. Job Mix Formula as per CI. No. 505.3.3 of MORTH (5th Rev) for BM shall be worked out from Thapar Insti. of Engg & Tech Patiala/NIT Kurukhshetra /PEC Chandigarh/CTL for obtaining optimum binder content (OBC) by the Contractor without any financial effect to the Dept and same be submitted to the accepting officer for approval. Any variation in binder content on minus side shall be adjusted @ 42/kg of binder and no adjustment shall be made on plus side. 2. The BM shall be covered with top layer/wearing course within in a maximum of 48 hours. If ther is to be any delay, by the contractor the course shall be covered by seal coat to the requirement of Clause 512 of MORTH (5th Rev) before opening to the traffic. The seal coat in such cases shall be considered incidental to the work and shall not be paid for separately.

Providing and laying Premix Bituminous concrete 30mm consolidated thickness with 5.5% binder (paving bitumen of grade VG-30) content by weight of total mix and crushed aggregates of grading 2 with mixing of aggregates and VG-30 bitumen in electronic operated 100-120 TPH batch type hot mix plant, transporting the hot mix from HMP to work site by tippers and laying with hydrostatic paver finisher and as per approved mix and rolled & compacted to required camber and gradient with 8 to 12 tonne smooth wheeled, vibratory and tandem roller, complete all as per Clause 507 MORTH (5th Rev) specification and as specified and directed. NOTES : 1. The contractor shall quote the rate against Item considering 5.5% VG-30 bitumen content. Job Mix Formula as per CIause. No. 505.3.3 of MORTH (5th Rev) for BC shall be worked out from Thapar Insti. of Engg & Tech. Patiala/ NIT Kurukshetra/ PEC Changigarh/ CTL for obtaining Optimum Binder Content (OBC) by the Contractor without any financial effect to the Dept and same be submitted to the accepting officer for approval. Any variation in binder content on minus side shall be adjusted @ Rs 42/kg of binder and no adjustment shall be made on plus side. 2. Cost of filler i.e. cement (Ordinary portland cement/OPC) is deemed to be included in quoted unit rate. 3. After spreading of mix as per clause 507.4.7 entire surface during the operation shall be rolled with road roller 8-10 tonne (smooth wheeled) followed with vibratory road roller of 8-10 tonne static weight, followed by finished rolling with 6 to 8 tonne smooth wheel tendom roller as per Clause Nos. 507.4.8 and cost of the same is deemed to be included in quoted unit rate.

Repairs to pot holes any depth not exceeding 1.00 Sqm each including sweeping free from dust and mud or water, scouring sunken surfacesin roads, path etc cutting edges at least 25 mm depth and making good by applying tack coat with bitumen @ 5 kg/X Sqm, putting in premix bituminous macadam using paving bitumen of grade VG-30 well rammed and sealed with binder @ 9.80 kg mixed with 0.09 cum of stone chippings 6.3 mm size per 10 Sqm and again well rammed including supply of premixed macadam, binder and chipings, depth of pot holes exe 30mm thick, complete all as specified and directed.

M/s DATAAR BUILDERS

His Construction Company