REPAIRS TO SECURITY PERIMETER ROADS AND TECH AREA AND ALONG BOUNDARY WALL, WATCH TOWERS, ROAD FURNITURE IN DRDL CAMPUS AND DSC COMPLEX UNDER AGE BR-1 AT KANCHANBAGH, HYDERABAD

Taking down cement plaster of road divider walls or any other stone or brick walls etc, including raking out joints, hacking for key, scrubbing down with water etc, complete all as directed.

M&L for Brick work with Fly ashbricks, straight or curved on plan exceeding 6m mean radius in CM (1:6),as in road divider walls including demolition of old brick work complete all as directed.

M&L for 10mm thick rendering in cement mortar (1:6), on brick or concrete surfaces finished even & smooth without using extra cement, including preparation of newly plastered surfaces & applying three coats of white wash complete all as directed.

M&L for repairs to pot holes of any depth not exceeding 1 Sqm each, including sweeping free from dust and mud, or water scoring sunken surfaces in roads, paths etc cutting around edges to at least 25mm in depth making good by applying tack coat using bitumen of VG-10 @ 5Kg /10 Sqm, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8KG/10 Sqm blinded with 0.09 cum of stone chipping , 6.3 mm size and again well rammed including supply of premixed macadam, binder and chippings), depth of poth holes exceeding 30mm, complete all as directed.

M&L for preparing black top surface by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with air compressor to remove all loose dirt etc, complete all as directed.

M&L for applying evenly a tack coat with VG-10 @ 5 Kg / 10 Sqm, using paving bitumen, complete all as directed.

M&L for laying bituminous premixed semi-dense asphaltic concrete 30 mm consolidated thickness in single layer using bitumen of grade VG-30, with 5.50% minimum binder content by weight of total mix using hot mix plant and laid by mechanical paver and rolled and compacted, to required camber and gradient using 8 to 10 ton power roller to a uniform smooth surface, complete all as directed. Notes:- (i) Thickness of semi dense asphaltic concrete and quantities of materials as mentioned in particular specifications/SSR are the minimum. The quoted rate shall also be deemed to include for provision of more materials in comparison to those mentioned/specified in the item, if required, to achieve the required level, gradient, camber and shape all as directed by the GE. (ii) Hot mix plant of adequate capacity shall be used for heating and mixing stone and fine aggregate and binder (bitumen) and semi dense asphaltic concrete shall be laid in single layer with self propelled mechanical paver all as directed by the GE. (iii) Contractor’s quoted rates shall be deemed to include all these aspects.

M&L for laying premix bituminous macadam 75 mm or less consolidated thickness in single layer using bitumen grade VG-30, with 4% minimum binder content by weight of total mix using hot mix plant and laid by mechanical paver and rolled and compacted, to required camber and gradient using 8 to 10 ton power roller to a uniform smooth surface, complete all as directed. Note:- (a) DBM shall be as per MORTH specifications including minimum binder content mentioned therein and as detailed in particular specifications.

S&F in repairs flexible polycarbonate convex mirror 80cm diameter encased in ABS material, orange colour for outdoor application including 75mm 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 directed.

M&L for preparing plastered, unplastered or concrete on new surfaces and applying two coats of synthetic enamel paint, over a coat of primer complete all as directed.