bids are invited for excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth for foundation , m and l 300 mm bore rcc pipe class np 2 isi marked laid and jointed complete with collars , m and l cement concrete 1.2.4 type b 0 using 12.5mm graded stone aggregates as in benching for manholes , m and l cement concrete 1.3.6 type c 2 using 40mm graded stone aggregates as in foundation , m and l brick work with sub class b bricks, old size straight or curved on plan exceeding 6.00 metre , 15mm thick cement plaster in cement mortar 1.4 to brick or concrete surfaces finished , supply only water proofing compound , m and l precast cement concrete 1.2.4 type b1 using 20 mm graded stone aggregate in landings , supply and fixing mild steel tmt bars 10mm dia above cut to length bent to shape required including cranking bending , all as per item no 9 but 6mm to 8mm dia , s and f framedwork such as grills gratings etc.. with ends of barsshouldered and or riveted or forged into spikes , m and lpreparation of new steel surfaces of any description nototherwise described over 10cm width , s and f for platesplain or chequered channels square cut or notched ordinaryand counter sunk , demolition of concrete of anydescription and in any position not otherwise specificallyprovided , demolition of reinforced cement concrete inground floor and paving n exc 15 cm thickness , dismantlingseparating scraping and cleaning of reinforcementdemolition of concrete measured separately , m and l forchequered cement concrete tiles 20cm x 20cm x 25mmthick , providing and laying at or near ground level factorymade kerb stone and drainage channels total quantity : 2018