PROVN OF CAGING FOR WATER TANK IN BASRA NC(E)s QTR AND LIVING IN AREAs AT AFS HASI MARA

M&L for brick work with sub class 'B' bricks old size, burnt clay bricks, straight or curved on plan exc 6 mtr mean radius built in CM (1:4) including demolition of brick work, complete all as specified and directed.

M & L for rendering 15mm thick in two coats (10mm under layer + 5mm top layer) on fair faces of brick work or concrete surfaces of wall in CM (1:4), mixed with liquid water proofing compound on top layer as per manufacturer's instructions, finished the surface even and fair without using extra cement, complete all as specified and directed. (Note : WPC shall be measured and paid separately as 'supply only'.)

Supply only liquid water proofing compound conforming to IS: 2645 - 1975 specification, complete all as directed.

Taking out old damaged tarfelt or membran of any description and applying the following treatment all as directed in order of precedence as stated: (a) Brushing neat cement slury with 3.0 kg of cement per Sqm. (b) 15mm thick screed bed or bedding layer in CM (1:3) mixed with liquid water proofing compound as per manufacturer instruction on existing roof surface true to level. (c) Applying one coat of bituminous primer @ 0.40 Ltr/Sqm. (d) Supply and laying 3mm thick APP based polymeric membrane of approved manufactured with weight not less than 3.50 Kgs per Sqm reinforced with non-woven polyester fabric weighing not less than 160gms per Sqm having softening point not less than 15°C, having tensile strength of 650 N/Sqcm and 350 N/Sqcm in longitudinal and transverse directions respectively of the reinforced tearing strength of 180 N by torch application. Polymeric membrane shall be taken to a height of 30cm (minimum) and then inserted inside the groove of parapet wall and shall be finished by a membrane flashing. (e) Applying one coat of aluminium paint @ 0.11 Kg/Sgm over APP membrane surface. Note:- (i) Laying APP based polymeric membrane shall be done torch on method as per manufactures instructions. (ii) A minimum overlap of 150mm and 100mm should be made at the end and sides of the polymeric membrane respectively and sealed all overlaps and joints as per manufacturers instruction. (iii) APP based polymeric membrane shall be of any one of the approved makes as specified here-in-after and shall conform to specifications given in IS 16540-2017/1S 16532 2017. (iv) Contractor shall produce necessary test certificate of the manufacturer to the Engr-in-Charge before incorporation in the work. (v) Necessary independent tests shall also be carried out by the contractor without any extra cost to the Deptt as per relevant IS specifications and membranes with satisfactory test results shall only be incorporated in the work. (vi) The work shall be executed through authorised applicators of original manufacturer only. (viI) WPC shall bemeasured and paid separately as 'supply only'.

M & L for PCC (1:2:4) type B-2 (using 40mm graded crushed stone aggregate) as in foundation, filling and mass concrete, complete all as specified and directed.

S&F rotational moulded polyethylene (HDPE) water storage tanks, (made of 100% virgin and food grade plastic), triple layered, (cylindrical vertical with closed top) ISI marked, confirming to IS 12701-1996, hoisted and fixed in position all as specified in SSR Part I (500 ltr capacity) including 20mm Nipple suitable for HDPE water tank and 20mm bore ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball, screwed for iron pipe and fixed to 20mm bore pipe inculding taking down old unserviceable water tank of any capacity, complete all as specified and directed.

S&F rotational moulded polyethylene (HDPE) water storage tanks, (made of 100% virgin and food grade plastic), triple layered, (cylindrical vertical with closed top) ISI marked, confirming to IS 12701-1996, hoisted and fixed in position all as specified in SSR Part I (1000 ltr capacity) including 20mm Nipple suitable for HDPE water tank and 20mm bore ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball, screwed for iron pipe and fixed to 20mm bore pipe inculding taking down old unserviceable water tank of any capacity, complete all as specified and directed.

Disconnecting existing tanks (exc 250 ltr but n.exc 500 ltr) setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position. (Cleaning repairing, etc. measured separately), complete all as specified and directed.

Disconnecting existing tanks (exc 500 ltr but n.exc 1000 ltr) setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position. (Cleaning repairing, etc. measured separately), complete all as specified and directed.

M&L for mild steel framed work such as grill, gratings etc with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barrel iron doors, ladders framed balusters, walks railings, frame work of water tanks and similar work conforming to E-165 (Fe-290), complete all as specified and directed.