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| 1 | 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 1.5 M, stacking and spreading as directed. Dewatering, showring and strutting, preparing the bed for the foundation etc. complete. |
| 2 | Item No.2 :- Excavation for foundation / pipe trenches in soft rockand old foundation and lime masonry foundation, asphalt road 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 back filling etc. complete. |
| 3 | Item No.3 :- Excavation for foundation / pipe trenches in hard rock and Concrete road by chisellingwedging line drilling by mechanical means or by all other than blastingincluding 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 back filling etc. complete. |
| 4 | Item No.4 :- Providing murum bedding in trenches with approved murum from excavated materials from fiundations / trenches in 15 to 20 cm layers including watering and compaction, etc. complete. |
| 5 | 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, including all taxes (Central and local), inspection charges, transport to departmental stores / site, unloading and stacking, etc. complete.Note - One collar should be supplied with each full length plain ended RCC pipe, cost included in rates below.300 mm dia. |
| 6 | Item No.6 :- Lowering, laying and jointing in proper grade and alinement RCC pipes cwith collar joints in CM 1:1 proportion or socketed RCC pipes with rubber joints (excluding cost of rubber ring or RCC collar), including cost of jointing materials, labour, givising hydraulic testing, etc. complete as directed by Engineer-in-charge. 300 mm dia. |
| 7 | Item No.7 :- Providing and constructing B.B. masonry circular manhole without conical shape excluding excavation, RCC 1:2:4 proportion, 20 cm bedding brick masonry in CM 1:4 proportion, 23 cm thick for 2 M depth from top 35 cm thick for 2 M below it and 45 cm thick for balance depth, RCC slab at top and at 2 M depth from top for supporting brick masonry above it, plastering with smooth finish in CM 1:2 proportion, C.C. 1:2:4 finishing channels in smooth rendering, providing C.I. dapuri type steps each weighing 5.5 kg.,providing and fixing S.F.R.C. frame and co ver of 56 cm dia. at top including cost of all materials and labour do etc completeCircular chamber 1.00 m depth |
| 8 | Circular chamber 1.50 m depth |
| 9 | Item No.8 :- Filling in plinth and floors / exavated trenches with available excavated stuff with soft material in 15 cm layer with all leads and lifts do etc. complete. |
| 10 | Item No.9 :- Providing and laying in situ PCC M:150 ( 1:2:4 ) grades of cement concrete of trap / granite / quartzite / gneiss metal for foundition and bedding, including dewatering, form-work, compacting and curing, etc. complete. ( for levelling course ) |
