tender for selection of agency for redevelopment of palayam market --1 earth work 2 earth work in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out, as directed by engineer-in-charge, in all kinds of soil. the excavated earth shall be taken by the contractor and conveyed at his own cost, on remitting/ recovering the cost of the earth from the bills of the contractor duly remitting the charges for earth at the prevailing pwd market rates along with remitting royalty charges and seigniorage. (the cost of recoveries of earth indicated in special conditionjs of contract) 3 earth work in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by engineer-in-charge.all kinds of soil 4 earth work in excavation by mechanical means (hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.all kinds of soil 5 filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m. 6 extra for every additional lift 1.5 m or part there of in excavation / banking excavated or stacked materials.all kinds of soil 7 pumping or bailing out water and removing slush etc by using pump set including cost of labour, oil hire charges of pumpset, etc complete 8 supplying and filling with crushed sand under floors, including watering, ramming consolidating and dressing etc. complete 9 supplying chemical emulsion in sealed containers including delivery as specified.chlorpyriphos / lindane emulsifiable concentrate of 20% 10 diluting and injecting chemical emulsion for post -constructional antitermite treatment (excluding the cost of chemical emulsion): along external wall where the apron is not provided using chemical emulsion @ 7.5 litres / sqm of the vertical surface of the substructure to a depth of 300mm including excavation channel along the wall & rodding etc. complete:with chlorpyriphos /lindane e.c. 20% with 1% concentration 11 diluting and injecting chemical emulsion for post -constructional antitermite treatment (excluding the cost of chemical emulsion): treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1:2 (1 cement : 2 coarse sand) to match the existing floor:with chlorpyriphos/lindane e.c. 20% with 1% concentration 12 concrete works 13 centering and shuttering including strutting, propping etc. and removal of form work for:foundations, footings, bases for columns 14 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:4:8 (1 cement : 4 coarse sand (zone-iii) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) 15 providing and laying cement concrete in retaining walls, return walls, walls ( any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts,buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc. up to floor five level, excluding the cost of centering, shuttering and finishing:1:2:4 (1 cement : 2 coarse sand (zone-iii) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 16 providing and laying damp-proof course 50mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand (zone-iii) derived from natural sources : 4 graded stone aggregate 20mm nominal size derived 17 providing & applying a coat of residual petroleum bitumen of grade of vg-10 of approved quality using 1.7kg per square metre on damp proof course after cleaning the surface with brushes and finally with apiece of cloth lightly soaked in kerosene oil. 18 extra for laying concrete in or under water and or liquid mud including cost of pumping or bailing out water and removing slush etc. complete. 19 making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-iii) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth. 20 reinforced concrete work 21 centering and shuttering including strutting, etc. and removal of form for:foundations, footings, bases of columns, etc for mass concrete 22 centering and shuttering including strutting, etc. and removal of form for:walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.