tender for lwm and swm at dhumalwadi tal akole dist ahilyanagar - laying and jointing pvc pipe. heading. - excavation for foundation / pipe trenches in hard murum and boulders. w. b. m. road including removing the excavated material upto a distance of 50 m beyond the area and lifts as below, stacking and spreading as directed by engineer-in-charge, normal dewatreing, preparing the bed for foundation. filling in plinth and floors / trenches with contractors murum for bedding in 15cm to 20cm layers including watering and compaction complete. providing isi standard r.c.c. pipes in standard lengths of following class and diameter suitable for either collar joints or rubber ring joints excluding gst including inspection charges, transport to departmental stofës/site, ünloading and stacking etc. complete as per is-458/1988 lowering, laying and jointing in proper grade and alignment r.c.c. pipes with collar joints in c.m. 1:1 proportion or socketed r.c.c. pipes with rubber joints (excluding cost of rubber ring or r.c.c. collar,) including cost of conveyance from stores to site of work, cost of jointing material, labour etc. complete as directed by engineer-in-charge (for all class of pipes.) collar joints. providing and constructing b:b. masonry valve chamber with 15 cm thick 1.3.6 proportion pcc, bedding, excluding excavation, b.b. masonry in.c.m. 1.5 proportion precast rcc frame and cover, etc. complete as directed by engineer-in-charge. valve chamber with precast sfrc frame & covers.