Construction of yard drains in the section of Sr. DEN/HQ/MB.

Erection & Installation of factory - made Precast U Shape storm water drain (SWD) medium/Heavy duty type of various sizes in correct & final position with proper line level and plumb at site making all arrangements (i.e cranes, push-pull jacks & all another T & P for lifting Placing & Alignment of elements, within erection tolerance as per IS 15916 as per approved drawings. The item is inclusive of all loading, transportation, lifting, leading, unloading, handling, re-handling, 1 Multiple Track crossing (if applicable), shoring, all labour, removal of ballast, removal & shifting of any kind of obstruction and cable, applicable taxes, installation and jointing with approved sealant, curing etc. The rate is exclusive of Earthwork in excavation, dewatering, PCC (1:3:6), & leading surplus earth outside Railway boundary which shall be paid under relevant DSR Items. The precast drain shall have to be installed as per the approved drawing duly following the yard gradient to ensure efficient drainage. Work will be carried out as per direction and instruction of Engineer in charge of work/ Engineer representative. (No any extra payment shall be paid by Railway). Under Traffic block Drain of internal dimension Size 450 mm x 450 mm. This item is to be operated under Traffic block. Running

Erection & Installation of factory - made Precast U Shape storm water drain (SWD) medium/Heavy duty type of various sizes in correct & final position with proper line level and plumb at site making all arrangements (i.e cranes, push-pull jacks & all another T & P for lifting Placing & Alignment of elements, within erection tolerance as per IS 15916 as per approved drawings. The item is inclusive of all loading, transportation, lifting, leading, unloading, handling, re-handling, 2 Multiple Track crossing (if applicable), shoring, all labour, removal of ballast, removal & shifting of any kind of obstruction and cable, applicable taxes, installation and jointing with approved sealant, curing etc. The rate is exclusive of Earthwork in excavation, dewatering, PCC (1:3:6), & leading surplus earth outside Railway boundary which shall be paid under relevant DSR Items. The precast drain shall have to be installed as per the approved drawing duly following the yard gradient to ensure efficient drainage. Work will be carried out as per direction and instruction of Engineer in charge of work/ Engineer representative. (No any extra payment shall be paid by Railway). Under Traffic block Drain of internal dimension Size 450 mm x 450 mm. This item is to be operated without Traffic block.

"Installation of factory-made Precast perforated Cover of various sizes suitable for precast Drain and Manhole/Catch Basin in correct & final position with proper line level and plumb at site making all arrangements (all T & P) for lifting Placing & Alignment of elements, within erection 3 tolerance as per IS 15916 as per approved drawings. The item is inclusive of all loading, transportation, lifting, leading, unloading, handling, re-handling, Multiple Track crossing (if applicable),all labour, applicable taxes, installation. Work will be carried out as per direction and instruction of Engineer in charge of work/ Engineer representative. (No any extra payment shall be paid by Railway)." Under Traffic block

"Installation of factory-made Precast perforated Cover of various sizes suitable for precast Drain and Manhole/Catch Basin in correct & final position with proper line level and plumb at site making all arrangements (all T & P) for lifting Placing & Alignment of elements, within erection 4 tolerance as per IS 15916 as per approved drawings. The item is inclusive of all loading, transportation, lifting, leading, unloading, handling, re-handling, Multiple Track crossing (if applicable),all labour, applicable taxes, installation. Work will be carried out as per direction and instruction of Engineer in charge of work/ Engineer representative. (No any extra payment shall be paid by Railway)." without Traffic block Running

"Design, Manufacture & Supply of factory-made (wet cast) Precast U Shape storm water drain (SWD) heavy duty type of size 450 X 450 mm (Internal dimensions) with 4 nos. weep holes in each precast segment of 2.0m length. Precast U Shaped segments shall consist of high strength reinforced cement concrete duly steam cured in a controlled environment and manufactured by using high performance self-compacting concrete of M- 50 grade using Cement of Gr. 53 as per IS: 12269 and TMT steel reinforcement bar of Grade Fe-500D as per IS: 1786 (minimum reinforcement content shall be 8.0 Kg per running metre length). The precast drain shall be designed considering maximum of all possible loads (All types of Load coming while placed between the tracks considering traffic block/traffic movement on track, considering saturated/ Unsaturated soil condition, all type of static & Dynamic load considering minimum track centre of 4.265m). Design shall confirm to IS/BIS / Indian Railway Concrete bridge code/JIS standards/ Guidelines/ Codes. Precast drain shall take into account expected handling and erection stresses etc. The product shall have tie/groove shape joint 10-20 mm. width X 25 mm depth groove on both sides for jointing two precast drain segments. The precast segment shall consist of special in-built inserts at appropriate location for safer and faster installation. The rate is inclusive of all loading at Factory, leading, unloading in vicinity of site approachable by road. Precast Factory shall have in-house NABL approved testing facility for quality checks and shall have ISO 9001, ISO 14001 and ISO 45001 certification for design, manufacture, dispatch of products and shall also be ZED certified. The precast manufacturer should have proven track record in production & supply of precast products. The rate is applicable for

Item Breakup - A-DSR Items

Item Breakup - B-NR USSOR 2021 Items

cum Total 1683362.17 Item- 2 All items of Ch.12 (Activities at construction site SOR 2021) S No. Item Description of Item Unit Qty Rate Amount No

1.00 12549.86 Drawing no. RT-347 (with all amendments) with brick-work using country bricks or CC bricks in mud mortar and filling with river coarse sand, surrounding rails and filling around. Note: Cost of brick and sand is not included in the rate. Total 12549.86