repair and replacement of defective water pumping line repair and replacement of water pumping line between lakkadmandi pump house to chota mod af stn dalhousie , repair and replacement of defective water pumping line by excavation in trenches in hard/dense soil not exceeding 1 . 5 m wide and n . exc 1 . 5 mtr depth for laying gi pipe and getting out complete all as specified . , -ditto as item 1 . 01 above but returning filling including spreading levelling watering and well ramming in layers not exceeding 2 . 5 cm in soil complete all as specified and directed , -ditto as item 1 . 01 above but removal of excavated material to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1 . 5 mtrs above starting point . , -ditto as item 1 . 01 above but taking up or down steel tubing of 50 mm bore and connection laid in trenches for floors or fixed to walls and including cleaning for refixing or removal to stores complete with all fittings and valves etc ( excavation shall be measured and paid seperately under relevant item ) , -ditto as item 1 . 01 above but refixing / relaying of steel water tubing of size 20 mm dia taken out under srl no item 1 . 04 above fixed to valves and ceiling or laying floors / trenches including cleaning and re running of threads and fitting such as sockets , elbows , unions , sockets or any fitting required at site complete all as specified and directed . , -ditto as item 1 . 01 above but material and labour and laying for tubes medium grade galvanized with all gi fittings required at site such as flanges , union etc for laying nin trenches of size 50 mm bore dia . make : jindal , -ditto as item 1 . 01 above but m&l in replacement of gun metal globe or gate valve iron wheel head , screwed both ends for iron pipes of bore of 50 mm and length as required on site or directed by engineer-in-charge . make : , -ditto as item 1 . 01 above but m&l for pcc 1:2:4 type b1 using 20 mm graded aggregate including all necessary shuttering for supporting pillars to pipe line laying in hilly area complete all as specified and directed by engineer-in-charge .