Providing Underground Drainage Line 2

Item No,1- Excavation for foundation / pipe trenches in earth, soil of all types, sand, gravel and soft murum including removing the excavated material upto a distance of 50 M and lift upto 15 M, stacking and spreading as directed Dewatering. showring and strutting, preparing the bed for the foundation etc. Cum complete

Item No.2- Excavation for foundation / pipe trenches in hard murum including removing the excavated material upto a distance of 50 M with lift upto 1.5 M stacking as directed dewatering, showring, structing. preparing the bed for the foundation and excluding Cum back filling etc. complete.

Item No.3 :- Excavation for foundation / pipe trenches in soft rock / hard rock and old foundation and lime masonry foundation by controlled blasting / chiseling including trimming and leveling the bed by chisseling wherever required and removing the excavated material upto a distance of 50 M with lift upto 1.5 M stacking as directed dewatering, showring, structing. preparing the bed for the foundation and excluding Im back filling etc. complete.

Item No.4- Providing murum bedding in trenches with approved murum from excavated materials from fiundations / trenches in 15 to 20 cm layers including m watering and compaction, etc. complete. (MJP DSR 2023-24, Item No. 16, Page No. 40)

Item No.5- Providing at site of work ISI standard RCC pipes in standard lengths of following class and diameter suitable for either collar joints or rubber ring joints, excluding GST levied by GOI & GOM in all respect, including inspection charges, transport to departmental stores / site, unloading and stacking. Note - One collar should be supplied with each full length plain ended RCC pipe, cost included in rates below. 300 mm dia. 65

Item No.6 Lowering laying and jointing in proper grade and alinement RCC pipes with collar joints in CM 11 proportion or socketed RCC pipes with rubber joints (excuding cost of rubber ring or RCC collar), including cost of conveyance from storesto site of work, cost of jointing materials, labour, hydraulic testing, etc complete as directed by Engineer-in- charge. m 300 mm dia

Item No.7 Providing and constructing on sewer, BB. masonry circuiar / Rectangular manhole with Concentric cone 1.20 M dia, At bottom and 0.50 M dia At top and upto a depth of 200 M with 23 cm thick brick work in CM 14 proportion, excluding excavation, including foundation concrete 250 mm thick and haunches and channels in CC 124 proportion, finishing channels in smooth rendering. providing C.l. dapuri type steps each weighing 5.50 kgs, 1:24 coping and providing and fixing approved make and quality S.F.R.C. frame and cover of 56 cm dia. etc. complete as directed by Engineer-in-charge. Circular- Depth upto 1.50 M

Depth upto 2.00 M

Item No.9- Filling in plinth and floors / exavated trenches with approved excavated materials from foundation 15 cm to 20 cm layers including watering n and compaction etc. complete.

Item No.10 Conveying the excavated inactival balance soil on site of work as and where directed n etc complete Lead upto 3.00 Km