REPAIRS TO PQC OF ORA PTT DISPERSAL TAXI LINKS AND CONNECTED ANCILLARY ITEMS FOR SOUTH LOOP NORTH LOOP AND RUNWAYS IN TECHNICAL AREA AT AIR FORCE STATION JAISALMER

Amount

Demolition of cement concrete of any description exceeding 15cm thickness as in floor/pavings/hardstanding/PQC and removing the debris outside MD land complete all as specified and directed.

M&L for coarse sand filling under floor or in foundation including watering, leveling and consolidation etc. complete all as specified and directed.

M&L for high density polythene film ( transparent colour) in single layer of 400 micron thickness of virgin quality (as per ASTM D-2103, IS-2508) , non-recycled laid with side and end overlapping not less than 300mm complete all as specified and directed. Note : (i) Coarse Sand layer shall be measured and paid separately under respective item of BOQ. (ii) Measurement shall be for net area. Quoted rate shall be deemed to include overlapping of polythene film.

M&L for Pavement Quality Concrete (PQC) thickness upto 250mm with minimum field Flexural Strength of 45 Kg/Sqcm lower control limit (LCL) at 28 days in pavement slab using min 400 Kg of cement per cum (only 43 grade OPC must be used in PQC) mixed with non circular synthetic fibre reinforcement by mech means at the rate of 0.25% by weight of cement per cum of PQC. The max size of aggregate in PQC must be 31.5 mm and gradation (as per Table 600-3 of MORTH Specification) including formwork for laying in bays, complete all as specified and directed by Engineer-in-Charge Note :- (i) Expansion joints, Construction joints and Dummy (Contraction) joints shall be measured and paid separately under respective items. (ii) Deduction shall be made in computing concrete quantity for expansion joints. No deduction shall be made in computing PQC for Construction joints and Dummy (Contraction) joints. (iii) Finishing coat shall be measured and paid separately. (iv) For the purpose of pricing this item, cement content shall be considered 400 Kg/Cum. Minus price adjustment @ Rs 8 per Kg for cement shall be made to the quoted rates in case quantity of cement is less than 400 Kg/ Cum. However no plus price adjustment shall be made to the quoted rate in case quantity of cement is more than 400 Kg/ Cum. (v) The cost of admixture required as per design mix shall deemed to be included in the quoted rates. (vi) Non circular, virgin, synthetic, monofilament polyster fibres shall be measured and paid separately as "Supply only" under respective item of BOQ. (vii) Design mix for PQC shall be got carried out by the contractor from NABH accedredited IIT/NIT/Govt Engg College/Govt approved Lab and shall be got approved by GE before commencement of cement concrete work in PQC/hardstanding.

Supply only non circular, virgin, synthetic, monofilament polyster fibres of length 12mm to 18mm, specific gravity 1.34 to 1.39, UV stable alkali resistant, equivalent diameter 15 to 40 micron, minimum melting temperature 250°C and minimum tensile strength 300 MPa be used upto 0.25% by weight of cement, all as per IS Codes complete all as specified and directed.

M&L for finishing surface of concrete pavement by brooming while concrete is green complete all as specified and directed.

M&L for preparation of concrete surfaces of any desription of width or girth not exceeding 10cm and painting with one coat of road marking paint lines , dashes ,arrows, letters etc on roads, pavements and the like complete all as specified and directed.

M&L for forming Expansion Joints 25mm wide and up to required depth of PQC (Hardstanding). Early enrty saw and subsequent cutting by using diamond bit cutter of approproate size, straight and smooth edges, cleaning joints thoroughly by air compressor, making the joints dry, vaccum cleaned and making free of dust, dirt, oil, grease, vegetaion and other debris, filling the joint with 25mm thick premoulded compressible polyethylene closed cell type filler board as specified thereafter applying two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant , placing of closed cell medium density, cross linked polyethylene foam backup rod of minimum 30mm dia over filler board and filling with polyurethane based sealant complying with requirements of BS 5212, BS4254 and EN-141875-2003 with minimum movement accommodation factot MAF (+/-)30% having minimum 10 years performance guarantee applying maskedtape on edges of joints and removing masking tape after filling of sealant as per method specified by the manufacturer iincluding removal of debris from site complete all as specified and directed.

M&L for forming Dummy/Contaction Joints an initial saw cut of 3mm soon after the concrete has set, upto a depth of 1/3 to 1/4 of thickness of the PQC slab, widening the first saw cut to 6mm and 24mm deep by using diamond bit cutter of approproate size, straight and smooth edges, cleaning joints thoroughly by air compressor, making the joints dry, vaccum cleaned and making free of dust, dirt, oil, grease, vegetaion and other debris, filling the joint premoulded compressible polyethylene closed cell medium density filler board as specified thereafter applying two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant , placing of closed cell medium density, cross linked polyethylene foam backup rod of minimum 8mm dia over filler board and filling with polyurethane based sealant complying with requirements of BS 5212, BS4254 and EN-141875-2003 with minimum movement accommodation factot MAF (+/-)30% having minimum 10 years performance guarantee applying maskedtape on edges of joints and removing masking tape after filling of sealant as per method specified by the manufacturer iincluding removal of debris from site complete all as specified and directed.

M&L for forming Construction Joints 10mm wide and 25mm deep in PQC (Hardstanding). by early enrty saw and subsequent cutting by using diamond bit cutter of approproate size, straight and smooth edges, cleaning joints thoroughly by air compressor, making the joints dry, vaccum cleaned and making free of dust, dirt, oil, grease, vegetaion and other debris, filling the joint with 25mm thick premoulded compressible polyethylene closed cell type filler board as specified thereafter applying two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant , placing of closed cell medium density, cross linked polyethylene foam backup rod of minimum 12mm dia over filler board and filling with polyurethane based sealant complying with requirements of BS 5212, BS4254 and EN-141875-2003 with minimum movement accommodation factot MAF (+/-)30% having minimum 10 years performance guarantee applying maskedtape on edges of joints and removing masking tape after filling of sealant as per method specified by the manufacturer iincluding removal of debris from site complete all as specified and directed.

Harsh Enterprises

M/s Fateh Enterprises

Lalit Enterprises

DEV INDUSTRIES

RAGHUSONS INFRA ENGINEERING PVT. LTD

Jai Doulat Construction Co

VIKAS CONSTRUCTION CO.

RISING ELECTRICALS

Om Trading Corporation

SANJOLI CONSTRUCTION COMPANY