CA NO CWE/PAT/T-55/2020-21 SPECIAL REPAIR TO ROADS AT TECHNICAL AREA OF ARMY AVN SQN UNDER GE NORTH PATIALA

Amount

Surfaces excavation n. exc 30 cm deep and averaging 15 cm deep and getting out in soft/loose soil as directed by Engr-in-Charge.

Rolling and consolidation formation surfaces with 8 to 12 tonne power roller incl filling in softs spots hollow and depression etc which occurs during rolling for portion coming on cutting/ original ground only to required level gradient or camber etc including watering before or during rolling complete all as specified and as directed.

M&L for 150mm thick (spread thickness) soiling (or sub base) with broken boulders or quarried stone of gauge 40mm to 80mm deposited spread levelled in one layer interstices filled, surface formed and rolled and consoildated to required gradient and camber with 8 to 12 tonne power roller complete all as specifed and directed.

M&L 150 mm thick (two layers of 75mm thick each) compacted thickness water bound macadam with coarse aggregate using sand stone of grading (63 to 40mm size) aggregate grading 3 (50 to 20mm size) aggregate of granite/basalt watered and rolled with 8 to 12 tonne power rollerand consoildated to gradient and required camber granite,trap or basalt complete all as specified. complete all as specified and directed.

M&L for preparing water bound macadam 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 and directed.

Providing and laying Premix Bituminous macadam of consolidated thickness n. exc. 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 there 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. 3. Only packed paving bitumen VG-30 shall be used and same shall also be verified by GE on ground before start of execution of work.

M/L preparing existing black top surface by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning to cleaned surface with gunny bags and air compressor to remove all loose dirt etc from black top surface , Applying evenly a premix /tack coat with bitumen grade VG-10 @ 5.0 Kg per 10 Sqm complete all as specified and as directed. Note : This item shall also be used where BM is in patches and to be covered by top layer after 48 hours.

Providing and laying Premix Bituminous concrete 40mm 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 agrgregates 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 hyrdostatic 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 quotes 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. stone dust 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.

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 agrgregates 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 hyrdostatic 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 quotes 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. stone dust 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. Note : Pot holes shall be marked by Engineer-in-Charge before commencement of work and same shall be entered in the MB after making good and before laying of bituminous premix carpet.

M&L for 2.5 mm thick road marking thermo plastic reflective paint to be carried out mechanically with hot application of material (painting material @ 5 Kg / Sqm) and glass beads @ 250 gm/Sqm confirming to CI No 803.4 of M0RTH in strips of 100/150 mm width on road surfaces complete all as specified and directed by Engineer in Charge.

M&L for factory made rubber moulded pre-cast cement concrete type B1 1:2:4 (20 mm graded aggregate) in CM 1:4 in Kerb stone use with plain fair faces, including chamfers, weatherings,throat- ing etc. and setting in mortar complete with joints to match including embedding in the ground to depths indicated and tamping ground around and also for removing any surplus spoil to a distance n. exc. 50 mtrs complete all as specified.

S&F road cat eye 90X110x17mm meeting with ASTM and MoR&TH standards with yellow reflector yellow body colour and two side lens all as specified. The studs shall be fixed to the road surface using the adhesive conforming to IS, as per manufacturers recommendation complete all as specified and directed.

Dismantling of existing brick road edging laid vertically in any position including making good the disturbed portion complete all as specified and directed by Engineer in Charge.

Removing of excavated material n.exc 50 m and depositing where directed at a level n.exc. 1.5 m above the starting point complete all as specified and directed.

Sarjit Singh & Co