GE I R AND D/CHD-11/2025-26 REPAIR TO ROADS, PATHS CULVERTS AND ROAD FURNITURE IN ZONE-I AND DOMESTIC AREA AT TBRL RANGE RAMGARH

Amount

Scarifying or picking gravelled macadam or bituminous macadam surfaces in area n.exc 400 sqm and exc 50 mm and n.exc 50 mm deep complete all as specified and directed..

Material and labour for apply evenly a priming tack coat with bituminous primer by using paving bitumen of VG-10 @ 3 KG/10 sqm over bituminous macadam surface complete all as specified and directed

Material and labour for repair to unlevelled surfaces by filling in premixed bituminous macadam using paving bitumen VG-30 @ 4% by weight of total mix laid, rolled and compacted to required gradient and camber with 8 to 12 ton power roller (consolidated thickness of 75mm or less) and laid by mechanical paver finisher complete all as specified and directed.

Removal of material obtained from serial item no 1.00 above to a distance exceeding 250 m but not exc 500 m and depositing on a level 1.50 m above the starting point complete all as specified and directed

Material and labour for repair to potholes 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 making good by apply tack coat @ 5 Kg per 10 sqm, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sqm, blinded with 0.09 cum of stone chippings, 6.3mm size and again well rammed (including supply of premixed macadam, binder and chippings), depth of potholes exc 30mm rolled and compacted to required camber and gradient with 8 to 10 tonne power roller complete all as specified and directed.

Material land labour for preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleared surfaces with gunny bag to remove all loose dirt etc complete all as specified and directed

Material and labour for apply evenly a priming tack coat with bituminous primer by using paving bitumen of V-10 grade @ 5 kg/10 sqm complete all as specified and directed.

Material and labour laying, spreading 30mm thick (consolidated thickness) bituminous premix semi dense asphaltic concrete with 5.5% binder content of bitumen of VG-30 grade by weight of total mix, made with self propelling mechanical paver, rolled and consolidated to reqd camber and gradient with 8 to 12 tonne power roller to a uniform smooth surface complete all as specified and directed Note :- (i) Work shall be executed as per design mix approved by the GE. (ii) Filler shall be cement (OPC-43 Grade) (iii) Any variation in binder content during design mix at site on plus side shall be borne by the contractor without any extra cost to the department. However, if binder content works out to be on minus side during design process (i.e less than 5.50%) same shall be adjusted considering the bitumen rate given in particular specification.

Material and labour for hot apply thermoplastic road marking compound minimum 2.5mm thick, using indigenous modern propeller road marking machine including reflectorising glass beads @ 250gms per sqm area, thick ness of 2.5mm is exclusive of surface applied glass beads, as per the code of practice for road marking paints, white with hot thermoplastic road marking compound all as directed including apply one coat of sealing primer including all materials and labour, brushes, tools, equipment, fuel etc complete including apply paints in lines, dashes, arrows etc complete all as specified and directed. Note:- Road marking paint shall be carried out in accordance with manufacturer’s instructions and as specified in particular specifications.

Supply and fixing in repair cat eye reflective type of metal body alloy of size 100mm x 100mm x 20mm with AMA strip lens reflector of model No. DA 972.0 fixed with and incl MS stud of suitable size as per manufactures instructions complete all as specified and directed

Supply and fixing in repair for 600mm dia circular polycarbonate reflective convex mirror body made out of ABS plastic high performance complete with mounting hardware including pole and fixing with clamp in PCC 1:2:4 etc complete all as specified and directed .

Supply and fixing in repair in repair solar metal tubular delineator made out of ABS round body fitted made out of PMMA and mounted on 45/50mm dia mild steel pipe of 600mm height duly powder coated and thermoplastic elastomer 3 brands of green, red and yellow reflector radium tape of 25 mm wide strips with anti theft steel net for reflector protection including embedding in PCC 1:2:4 (150x150x300mm) type B1 complete all as specified and directed.

Manufacturing, supply and fixing retroreflective as approved by Engineer-in-charge . letter, symbols, borders etc. will be as per IRC - 67 with required colour scheme on the boards and with the high intensity grade A. The aluminium sheet to be riveted to M.S. frame of angle iron of size 40x40x4 mm. The boards will be fixed to 1 No 50x50 mm square post made of M.S. angle 50x 50x4 mm, 4 m long welded to the frame with adequate anti-theft arrangement. Sheet work to be painted with two or more coats of synthetic enamel paint over an under coat (primer) and back side of aluminium sheet to be painted with two or more coats of epoxy paint including appropriate priming coat complete all as specified and directed.

Clearance of road side berms including removing bushes, vegetation growth including taking out roots of bushes/ vegetation growth upto 30 cm depth and disposal of rubbish to a distance not exc. 100m complete all as specified and directed.

Demolition of reinforced cement concrete in ground floor and paving n.exc 15 cm thick (below or above ground level) complete all as specified and directed.

A Providing and laying at or near ground level factory made precast kerb stone of size 300x300x150mm of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete all as specified and directed.

Material and labour for preparation of old concrete surfaces of any description, over 10cm width or girth and applying two coats of synthetic enamel paint complete all as specified and directed.

Material and labour for preparation of new concrete surfaces of any description, over 10cm width or girth and applying two coats of synthetic enamel paint complete all as specified and directed.

JAY TEE KAY INFRA (BID ID -3340064)

shree balaji builders (BID ID -3331467)

BAL SINGH AND SONS (BID ID -3331562)

SATTYAM BUILDERS (BID ID -3339599)