REPAIRS / RESURFACING OF BITUMINOUS ROADS / PCC FLOORING / PAINTING / COLD EMULSION AND REPAIRS TO EPOXY CONCRETING AND JOINT FILLING FOR DISPERSAL AREA AT AFS BEGUMPET UNDER GE (AF) HAKIMPET

Amount

Demolition of cement concrete / Bituninuos macadam of any description and in any position not otherwise specifically provided for complete complete all as specified and as directed

M&L for Cement concrete work in pavement hard standing of flexural strength 40 kg / per square centimetre in field using 400 kg of cement per cubic metre, thickness of concrete 30 cm or less and finishing the cement concrete surface / finishing surface of concrete roads / pavements by broorming to pavement without using extra cement complete all as specified and as directed for upto 300 mm thick concrete.

Dismantling of mild steel work of any description not otherwise provided for complete all as specified and as directed.

M &L for cutting Circular hole dia of 200 mm and depth 50 mm to 200 mm in bitumen surfaces and drilling holes 25 mm dia 2 Nos, to a depth of 100 mm to 150 mm in concrete surfaces , cleaning the hole and inserting the Wuerth PE500 (pure Epoxy), and fixing 18 mm dia carbon steel rods of 8.8 Grade with `U` shape and attaching the accessory forged ring anchorage projecting up to 50 mm to 200 mm to be flush with cut concrete / bitumen surfaces and filling with micro concreting to close the extra hole complete all as specified and as directed.

M&L for preparation and painting lines, dashes, arrows, letters, etc, on new concrete surfaces of runway /airfield pavements and the like exceeding 10 cm width with two coat of water based road marking paint, acqua / water based white or golden yellow / pink / red over a coat of primer all as per manufacturer's instructions and marking edges of paint straight in line complete all as specified and as directed

M&L for preparation and Painting lines, dashes, arrows, letters, etc, on old painted concrete / flexible surfaces of runway / airfield pavements and the like exceeding 10 cm width with one coat of water based road marking paint, acqua / water based white or golden yellow / pink / red over a coat of primer all as per manufacturer's instructions and marking edges of paint straight in line complete all as specified and as directed. (NOTE :- After 90 days painting will be done repeatedly in the same area.)

M&L for painting lines, dashes, arrows, letters etc, on concrete / flexible surfaces of runway / airfield pavements or roads etc and the like not exceeding 10 cm wide with two coats of aqua / water based road marking paint, white or golden yellow tint all as per manufacturer's instructions, marking good edges of paint straight in line including preparation of new surfaces to receive the painting complete all as specified and as directed.

M&L for painting lines, dashes, arrows, letters etc, on concrete surfaces of runway / airfield pavements or roads etc and the like not exceeding 10 cm wide with one coat aqua /water based road marking paint, white or golden yellow tint all as per manufacturer's instructions, marking good edges of paint straight in line including preparation of old surfaces to receive the painting complete all as specified and as directed.

M&L for painting lines, dashes, arrows, letters etc, on concrete / flexible surfaces of runway / airfield pavements or roads etc and the like not exceeding 10 cm wide with one coat of retro reflective paint white or golden yellow tint all as per manufacturer's instructions, marking good edges of paint straight in line including preparation of old / new surfaces to receive the painting complete all as specified and as directed.

Removing of demolished road / building materials etc considering as 0.68 cum as one load such as concrete / bituminuous macadam etc to approved dumping yard of GHMC to a distance of 10 KM or beyond the lead included in the rates ,including loading, unloading and stacking at the destination complete all as specified and as directed

M&L for forming contraction (Dummy) joints by cutting, raking out existing concrete of rigid pavements and including forming joints 8 mm to 15 mm width and 20 mm to 25 mm depth by diamond cutter, cleaning the side and bottom of joints by compressed air (using diesel driven compressor of suitable capacity) including removing the scrapped materials to a distance exceeding 50m but not exceeding 150m and depositing the the material as directed by Engr-in-charge and preparing joints to receive polyurethane joint filling priming with Rally prime-190, sealed with Rallithane-862 polyurethane sealent with backup rod of suitable size all as per manufacturer's instructions complete all as specified and as directed (MAKE :- Chemetail - Rai India Ltd.STP. or equivalent compounds of Fosroc Chemicals (india) Pvt. Ltd.

NOTES FOR SERIAL ITEM NO 11 ABOVE :- (a) If the depth of joints is removed more than specified depth, suitable filler board to be fitted under the sealing compound without any extra cost. (b) Making good edges shall be done with diamond cutters (c) Diameter of backup rod shall be 20-25% more than the width of joints to ensure tight fit. (d) Entire polyurethane joint filling shall be done with mechanical systems. (e) At places, if the mechanical appliances become impractical GE's permission in writing shall be obtained for carrying out the joints filling manually (f) The work shall be got executed through the authorised applicator of the manufacturer Chemitail-Rai or Fosroc Chemicals (India) Pvt Ltd. (g) The unit rate quoted is deemed to include for any excess width of the joints formed during diamond cutting.

M&L for Cutting the existing edges / joints of PCC slabs / rigid pavements by either diamond cutting machine or by chiseling removing loosened material to a distance exceeding 200 m and not exceeding 250 m and depositing in depressions including levelling cleaning of concrete surface with compressed air to remove all dust, dirt, grease, bitumen loose materials etc., superficial area not exceeding 0.2 Sqm and depth exceeding 40 mm and not exceeding 80 mm and filling with epoxy resin mortar comprising one part of epoxy resin and five paris of quartz sand Mix No.10 by weight after applying epoxy resin primer (tack coat)@ 0.32 Kg/Sqm including removal and cleaning of old sealing compound including bitumen filler pad 8 mm to 12 mm thick to adjust joint and refilling of sealing compound grade 'B' not exceeding 30 mm depth to match evenly the adjoining surface of existing PCC slab complete all as specified and as directed

M&L for milling the bituminous pavement surfaces upto a depth of 40 mm using milling machine to make a uniform surface without disturbing the base and cleaning the milled surface including cost of all labour charges and hire charges of machineries etc complete including stacking the milled material on the side of road / where directed including all leads and lift as directed by Engineer-in-Charge / GE. (Note :- After milling, the loose portion shall be filled with Bituminous Mecadem).

M&L for preparing unsurfaced water bound mecadam surfaces by brushing 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 applying evenly a priming /tack coat with cationic bitumen(VG-10 grade) @ 10Kg / 10 Sqm complete all as specified and as directed.

M&L for preparing unsurfaced black top surfaces by brushing 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 applying evenly a priming / tack coat with cationic bitumen (VG-10 Grade) @ 5.00 Kg /10 Sqm complete all as specified and as directed

M&L for Premix bituminous macadam with viscocity grade paving bitumen (VG-30 grade), at minimum 4 % by weight of total mix laid /rolled and compacted to required gradient and camber (consolidated thickness 75 mm or less) complete all as specified and as directed.

M&L for applying bituminous premix semi dense asphaltic concrete (SDAC), 30 mm consolidated thickeness with minimum 5.5 % binder content by weight of total mix using paving bitumen (VG-30 grade) by hot mix process and laid by mechanical paver,rolled with 8 to 10 tonne capacity power roller and compacted to required camber and gradient complete all as specified and as directed. NOTE :- No price adjustment shall be applicable if excess quantity of binder content is used /approved in execution of work under this item on plus side. However price adjustment shall be made for less quantity of binder content used.

DWARKA PERSHAD RADHEY RAMANLAL

B Sreepathy Rao & Sons

Haasith constructions