REPAIRS TO POT HOLES, ROAD CARPET, ROAD FURNITURE, DIVIDERS AND CERTAIN CIVIL IN ZONE A AND ZONE B OF DRDO TOWNSHIP UNDER GE I RND KANCHANBAGH HYDERABAD

Repair to potholes any depth, not exceeding 1 sq m each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths etc., cutting around edges to at least 25 mm in depth, making good by filling in screened & graded road metal, watering and well ramming (including supply of road metal) complete all as specified and directed.

Preparing old black top surfaces with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surface with gunny bag to remove all loose dirt etc., and including applying evenly a priming / tack coat with bituminous primer of grade VG 10 at the rate of 5kgs per 10 sq.m complete all as specified and directed.

M&L for scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exceeding 400 sqm and exceeding 50 mm and not exceeding 100 mm deep complete all as specified and directed.

M&L for 7.5cm thick (compacted thickness) WBM, with coarse aggregates of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled and consolidated to gradient and camber required complete all as specified and directed.

Preparing new unsurfaced water bound macadam surfaces with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc., and including applying evenly a priming / tack coat with bituminous primer of grade VG-10 at the rate of 10 kgs per 10 sq.m, complete all as specified and directed.

M&L for hard core, broken to gauge not exceeding 63 mm broken stone / bricks boulders complete all as specified and directed.

Premixed bituminous semi dense ashphaltic concrete 30 mm consolidated thickness, using paving bitumen of Grade VG-30 as binder with 5.5% minimum binder content by weight of total mix and laying with mechanical paver, rolled and compacted with power road roller of 8 to 12 ton capacity to required camber and gradient, complete all as specified and directed.

M&L for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc., and the like not exceeding 10cm wide on road pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and directed.

Demolition of cement concrete of any description and in any position in kerbs not other wise specially provided for and removing debris outside MD land, complete all as specified and directed.

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 (straight or curved) and finished exposed surfaces fair and even complete all as specified and directed.

Preparation of new surfaces of brick, stone, concrete, asbestos or plaster surfaces of any description over 10cm girth or width, not otherwise described and applying two coats of synthetic enamel paint over a coat of priming paint (plaster coat) complete all as specified and directed.

S&F, repairs cat eye solar reflective type of metal body alloy of size 100 mm x 100 mm x 20 mm with PAMA striplens reflector of model No. DA 972.0 fixed with and including MS stud of suitable size as per manufactures instructions complete all as specified and directed.

S&F, repairs metal tubular delineators made out of ABS round body fitted with 02 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50 mm dia mild steel pipe of 600 mm height duly powder coated and thermo plastic elastomer 3 bands 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 (150 x 150 x 300mm) type B1 complete all as specified and directed.

S&F, smart solar road studs of size 125 mm x 125 mm & 20 mm thick and 50 mm long 40 mm dia stand with 06 Nos diode bulbs (03 Nos each side) electronically operated and designed to operate automatically in darkness, powered from rechargeable nickel cadmium battery to be charged through solar cells, main frame cast aluminium with polycarbonate cover solar cells and yellow reflected polycarbonate cover on side, complete all as specified and directed.

S&F, repairs metal tubular delineators made out of ABS round body fitted with 02 Nos 80 mm dia height - 90mm, solar panel 2.4V205 mA, battery : 1.2V/1600 mAH Ni Mh LED's, visibility 500 mtrs flashing rate around 60 to 100 times per minute and including embedding in PCC 1:2:4 (150 x 150 x 300 mm) type B1 complete all as specified and directed.

M&L for premix bituminous macadam using 4% binder (paving bitumen VG 30 Grade) by weight of total mix laid manually or with mechanical pavers (consolidated thickness 75mm or less), rolled and compacted to gradient and camber required with 8 to 10 tonne power roller complete all as specified and directed.

M&L for preparation of old surface of any description not other wise described over 10 cm width or girth and applying one coat of synthetic enemal paint (Black & Yellow) complete all as specified and directed.

M&L for PU coated machine pressed precast concrete interlocking paver block any shape and size with grey cement and pigment (approved by GE) confirming to IS:15658-2006 of 60mm thickness, M-35 grade including laid over 50mm thick sand cushion bed and preparing the surface to uniform level to receive tiles complete all as specified and directed.

Demolition of cement concrete in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) and including of removal of debris at outside of MD land complete all as specified and directed.

M&L for providing 75mm thick plain cement concrete 1:3:6, type C1 (using 20mm graded stone aggregate) as in surface of sub base complete all as specified and directed.

M&L for providing cement concrete 1:2:4 type B1 (using 20 mm graded stone aggregate) as in coping, benching drains and surface channels etc., including necessary from work and complete all as specified and directed.

S&F, fully reflective sign board, 900 mm to 1000 mm width and 600 mm to 750 mm height made of 18 gauge, CRCA sheet framed with 25 mm square pipe duly painted with enamel paint; fixed to the post, the board shall be of blue colour on base and written with retro reflective tape using engineering grade on both side with and including provision of necessary excavation in post holes not exceeding 0.5 cum each, PCC 1:2:4 type B2 (40 mm graded stone aggregate) in foundation of size 450 mm x 450 mm x 450 mm

including providing and fixing MS square pipe post size 47 mm x 47 mm x 4.5 mm and 3.0 m long and embedding the same in PCC, including removing of old sign board complete all as specified and directed Note: All exposed steel surfaces shall be painted with two coats of synthetic enamel paint over a coat of red oxide primer.

M&L for providing PU coated machine pressed cement concrete tiles 30 cm x 30 cm x 22 mm thick with grey cement and pigment set jointed and pointed in neat cement slurry in floors laid over 20 mm thick screed or bedding layer in CM 1:6, including dismantling existing concrete paving tiles of any description complete all as specified and directed.

Demolition of stone or brick masonry built in cement mortar or cement lime mortar including all quoins, arches, pillars etc but excluding ashlar facings, dressed stone work and precast concrete articles complete all as specified and directed.

M&L for brick work with sub class ‘B’ bricks straight or curved on plan exceeding 6 mtr mean radius using old size brick built in CM 1:6 complete all as specified and directed.

M&L for walling of squared rubble masonry uncoursed, well bonded, bedded and solidly hearted, brought upto courses built in CM 1:6 complete all as specified and directed.

M&L for raised pointing to random or polygonal rubble, uncoursed or brought upto courses in CM 1:3 complete all as specified and directed.

S&F in repairs flexible poly carbonate convex mirror 80 cm dia encased in ABS material, orange colour for outdoor application including 75 mm dia MS pipe for fixing mirror, frame with proper fixing arrangement (stand painted with two coats of synthetic enamel paint over one coat of red oxide primer) complete all as specified and directed.

S&F, plastic speed breaker of size 350mm wide 50mm height yellow and black packing 4 metre per installation to be done with cement filling at bottom to get load capacity over 40 tonne. In one meter four pieces to be used speed breaker precolour materials black / yellow keep them perfectually colourful these bumps complete all as specified and directed.