GE I R AND D/CHD-13/2025-26 REPAIR TO ROADS, PATHS CULVERTS AND ROAD FURNITURE IN ZONE-II, III, VI, VII 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 100 mm deep complete all and removal of material to a distance exceeding 250 m but n exc 500 m and deposited on a level 1.5 m above the starting point complete all as specified and directed .

Material and labour for applying evenly a priming tack coat with bituminous primer by using paving bitumen of v-10 @ 10 KG/10 sqm over WBM surface incl preparation 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.

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 applying 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 and 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 applying 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 applied thermoplastic road marking compound minimum 2.5mm thick, using indigenous modern propeller road marking machine including reflectorising glass beads @ 250gms per sqm area, thickness 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 applying one coat of sealing primer including all materials and labour, brushes, tools, equipment, fuel etc complete including applying 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 for solar cat eye aluminium alloy shall (100% water proofing design according to 65) of size 125mm x 125mm x 25mm (shank 65mm) of high efficiency Mono rystafie solar panel 2.4V/ 0.3 watt one NI-ed rechargeable battery (1.2V/ 1600MA) consisting of super bright LED with 10,000 to 18,000 mcd completed as per manufactures instructions etc. complete all as specified and directed .

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 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 thermos plastic 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.

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

Material and labour for providing and laying at or near ground level factory made kerb stone 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 new/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.

M/s DATAAR BUILDERS (BID ID -3368629)

JAY TEE KAY INFRA (BID ID -3368521)

KUKREJA ENGINEERS (BID ID -3366741)