SPECIAL REPAIRS TO ROADS ,KERB STONES AND PATH ETC INSIDE DRDL HYDERABAD

Amount

Repair to potholes any depth, not exceeding 1.00 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 applying tack coat @ 5 kg per 10 sq m, putting in premixed bituminous macadam with 5.5% binder content (paving bitumen), well rammed (including supply of premixed macadam), and sealed with binder 9.8kg per 10Sqm ,binded with 0.09 cum of stone chipping ,6.3 mm size and depth of potholes exceeding 30 mm, 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, complete all as specified and as directed.

Applying evenly a priming / tack coat with bituminous primer of grade VG 10 at the rate of 5kg per 10 sq.m, complete all as specified and as directed.

Premixed bituminous semi dense ashphaltic concrete 30mm 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 as directed. NOTE :- (i) The ingredients shall be mixed in hot mix plant and the mix shall be spread using mechanical paver . (ii) Contractor shall get the design mix carried out from sources specified here - in - after and execute work using bitumen content as per actual design mix. In case bitumen content required as per design mix varies with 5.5% as specified, less / excess quantity of paving bitumen shall be regularised vide Sl. Item No.6.00 of BOQ here-in-after. (iii) Cost of carrying out design mix shall deemed to be included in the unit rate quoted for this item.

Premix bituminious macadam binder content 4% paving bitumen laid /rolled and compacted to required gradient and camber consolidated /compacted thickness 75 mm complete all as specified and as directed. NOTE :- (i) The ingredients shall be mixed in hot mix plant and the mix shall be spread using paver . (ii) Contractor shall get the design mix carried out from sources specified here - in - after and execute work using bitumen content as per actual design mix. In case bitumen content required as per design mix varies with 4.0% as specified, less / excess quantity of paving bitumen shall be regularised vide Sl. Item No. 6.00 of BOQ here-in-after. (iii) Cost of carrying out design mix shall deemed to be included in the unit rate quoted for this item.

Add or deduct extra / less binder content by weight of total mix to be used in bituminous Semi-dense Asphaltic concrete, complete all as specified and directed. NOTE:- The quantity shall be decided as per the job formula of semi-dense asphaltic concrete.

Surface dressing not exceeding 15 cm in depth in hard /dense soil in berms complete all as specified and directed .

Moorum /red bajri filling in floors or pavings laid in layers not exceeding 15 cm thick spread ,levelled and rammed complete all as specified and directed . Note: Moorum/ red bajri shall be brought from out of defence land .

Scarifying or picking gravelled,macadam or bituminous macadam surfaces exceeding 50 mm but not exceeding 100 mm deep , area not exceeding 400 sqm complete all as specified and directed.

Water bound macadam 75mm compacted thickness with broken stone garading 2, 63mm to 40mm size, spread, rolled and consolidated to gradient and camber required including necessary lateral support and formwork if required, using curshed stone coarse aggregate (grantie / trap / basalt) and well rammed and rolled and rolled using 8 to 12 tonne power roller, complete all as specified and directed.

Preparation of unsurfaced water bound macadam 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 paving bitumen of grade VG-10 at the rate of 10kg per 10 sq.m, complete all as specified and as directed.

Removing surplus excavated material (soils) to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 m above the starting point, complete all as specified and directed.

Demolition of un - reinforced cement concrete of any description and in any position (in kerbs) not otherwise specificially provided for and including removing debris to a distance exceeding 250 m but not exceeding 500m and depositing where directed complete all as specified and directed.

Providing cement concrete1:2:4 type B 1 using 20 mm graded stone aggregate as in kerb stones including weathering, slightly rounded or chamfered angles and throating including use and waste of form work complete all as specified and as directed.

Providing precast cement concrete 1:2:4 type B 1 using 20 mm graded stone aggregate as in kerb stones ,apex stones etc including weathering, slightly rounded or chamfered angles and throating including use and waste of form work and set in cement mortor 1:4 complete all as specified and as 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 coat of synthetic enamel paint over a coat of priming paint (plaster coat) complete all as specified and directed.

PVC (SWR) 110 mm bore pipes single socketed, in any length laid in trenches (berms) complete all as specified and directed.

Preparation of black bituminous road surfaces and applying thermo plastic road marking paint of 2.00mm thick for making centre-line, zebra crossing lines etc., as directed with an applicator machine and heated mixer, with stirring mechanism at temperature 160 degree celcius, laid uniformly with and as directed , paint conforming to IS-3262 Part I & II of 1989 etc., and shall be conforming to Section 803.4.2 of MORTH, complete as per manufacturer's instructions, all as specified and directed. MAKE (of thermo plastic road marking paint) : ASIAN LTD / AUTOMAT ROAD SAFETY PVT LTD / AUTOMARK TECHNOLOGIES INDIA PVT LTD NOTE:- Colour of paint shall be as approved by GE.

Cat eye ,ABS body with scrach and abrasion resistant micro prismatic polycarbonate and ultrasonically welded lensee, temparature resistant body and lense of size 90x110x17 mm including taking down existing one complete all as specified and directed. Make : 3M / AVERY / DARK EYE / SIGNTECH

Delineators made up of MS pipe 50mm dia ,16 gauge ,90cm long using HIP grade retro reflective tape in four coloured white and green strips 50mm width each including taking down existing one complete all as specified and directed. Make : 3M / AVERY / DARK EYE / SIGNTECH

B RAMACHANDRAIAH AND SONS

K CHANDRAPAL REDDY

M/S BHARAT CONSTRUCTIONS

M/S GDR CONSTRUCTIONS

Sri Lakshmi Enterprises

UNITED ENGINEERS CORPORATION