United Nations Development Programme Programme of Assistance to the Palestinian People-PAPP Construction and Rehabilitation of wadi Gaza Bridges PAL10-00054031 Funded by Government of Brazil BILL OF QUANTITIES
Lot #2 Construction & Rehabilitation of Wadi Gaza Bridge
SECTION 1: Demolition, Excavation and Backfilling Works Introduction: the contractor shall visit the site and make all investigations deemed necessary to ascertain the nature of the existing conditions of the structures to be demolished or to receive any alteration, and satisfy him as to the form and nature of works to be carried out, and the existing site conditions. It shall be understood that all salvaged materials and fittings are the UNDP property and stored as instructed by the UNDP. 1.1 Cutting & Removal of the existing demolished bridge elements (damaged foundations, concrete lining, approach slabs, end and retaining beams, piers, walls, deck, upstand beams, ground slab, protection fill, protection lining, retaining beams, hand rails, and whatsoever obstructing the works to be executed according to the design drawings ), and transporting of surplus material to approved places. The price includes all safety precautions that any deemed necessary for executing the works inclusive of supplying and erecting support scaffolding to support the bridge slab if required before demolishing the damaged slab and piers according to approved shop drawings and engineer's instructions. The contractor has to submit a workplan regarding this item for approval of the Engineer. (Demolished bridge length is about 40m and average width =6m) Lump Sum 1 1.2 Cleaning the site area of bridge and cutting and removal of existing artificial fill and rubbish to the natural ground level (Wadi bottom level) to flow naturally, In addition to transportation of surplus material to approved places. M 3 1500
1.3 Excavation in any kind of soil/concrete from natural levels to bottom levels of caps according to drawings, and Engineer s instruction. Note: Payment to the contractor according to engineering measurement 1.4 Backfilling from the excavated level to the bottom level of the ground slab using granular fill (Kurkar) compacted to 98% of maximum dry density in layers not exceeding 25cm thick. 1.5 Ditto, but for the inclined embankments. SECTION 1 M 3 150 M 3 400 M 3 100
SECTION 2: Concrete Works The following items include: Using new plywood 18mm thick for concrete fair face works Polythene sheet for concrete elements exposed to the soil Supply and cast plain concrete B200-10cm thick as shown in drawings Supply and fix concrete shuttering using tie-rods patent rods, after removal of tie caps it will be filled with non shrinkage cement grout. Supply reinforcement steel bars, bend, shape and fix to specified locations, Supply and cast ready-mixed concrete using mechanical vibrators, curing, and testing, required admixtures for concrete. Two coats of water-proof hot bitumen for all elements under the ground level (piers, walls and pile caps) and the backside of walls, Make openings and sleeves in the walls with the required steel detailing. Clean of existing steel reinf. 2.1 Supply and cast reinforced concrete (B350) for Pile Foundations, of depth 10m, and diameter 40cm. The price includes steel pipe casing, the casing to be removed and cutting the top 40cm to the bottom of concrete cap foundation, drilling and all other requirements to complete the works as per drawings and engineer s instructions. Linear Meter 220 2.2 Supply and cast reinforced concrete (B350) for piles caps Type1, as per drawings and engineer s instructions. M 3 22 2.3 Ditto, but for type 2 including drilling and fixing new steel bars with approved epoxy and applying bonding agent to the existing concrete, as per drawings and engineer s instructions. M 3 3
2.4 Supply and cast reinforced concrete (B- 350-fair face) for piers type 1, (Fair Face finished for sides not exposed to earth including supplying and fixing 2cm kalkal in girder support and 300x200x25mm galvanized steel plates as per drawings and engineer s instructions. M 3 15 2.5 Ditto, but for type 2 (including backwalls). Price shall includes 2cm kalkal in the backwalls and drilling and fixing new steel bars with approved epoxy and applying bonding agent to the existing concrete, as per drawings and engineer s instructions. M 3 5 2.6 Supply and cast reinforced concrete (B- 350 fair face) for Bridge solid slab, Fair Face finished, (thickness=20cm) including drop beams, inverted beams and all other required works according to drawings. Including supplying and fixing 300x200x25mm galvanized steel plates to main girders as detailed in drawings, and according to engineer's instructions. M 2 230 2.7 Supply and cast reinforced concrete (B- 300) for the concrete lining ground slab 15cm thick including expansion joints and polythene sheet (0.15mm thick) under slab, price includes excavation for the ground slab. As per drawings and engineer s instructions. M 2 500 2.8 Ditto, but for the concrete approach slab 15cm including expansion Joint and all requirements as per drawings and engineer s instructions. M 2 60 2.9 Ditto, but for edge beams 20x100cm. As per drawings and engineer s instructions. M 3 10 2.10 Ditto, but for retaining and end beams 20x50cm. As per drawings and engineer s instructions. M 3 7 2.11 Ditto, but for 10cm thick slab for the protection embankment fill including expansion Joint and all requirements as per drawings and engineer s instructions. M 2 200
2.12 Supply and apply special painting material (FOSROC Brush Bond or SIKA Top Seal 107) for any concrete elements above the ground level (piers, walls, beams and slab). M 2 710 SECTION 2
SECTION 3: Miscellaneous Works 3.1 Supply, assemble and fix Elastomeric bearing joint, (Bearings TYPE 1) according to German Standards DIN 4141 Part 14, plan size 200x300mm with a total thickness of 30mm (two elastomeric layers 8mm each and three reinforcing steel shims with 3mm each) and with allowable vertical load of 750kn. As detailed in drawings, and according to Engineer s instructions. No. 15 3.2 Supply and lay compacted asphalt binder course (3/4 nominal aggregate size) 7 cm average thickness, compacted to at least 98%, including spraying the slab with RC2 binder coat at the rate of 1.0 kg/m 2 and all required tests. All in accordance with the specifications, drawings, and Engineer s instructions. M 2 350 3.3 Supply and lay approved sub-base material (Kurkar) for the carriageway (under the approach slab) with CBR >30% in layers of 15cm thickness each with watering and compaction up to 98% of maximum dry density MDD. The price includes preparation of subgrade to design levels and compaction up to 95% according to modified Procter test. M 3 60 3.4 Ditto but Kurkar, of 10 cm thick in one layer for sidewalks with CBR >30% and compaction to 95 %. M 2 40 3.5 Supply and lay pre-cast concrete interlock tiles 6cm thick for the sidewalks on a layer of 5 cm clean sand. Price include compaction and filling joint with sand to required grades, Shape, pattern and color are as advised by the engineer. M 2 40
3.6 Supply and install handrail of the bridge comprising of F3 & F1.5 galvanized steel pipes with required welding. The work includes fixing and painting as per the drawings and engineer s instructions. The painting should be done by using a primer polyzinc layer and two layers of colored paint according the drawings and Engineer s instructions. Price also includes painting of curbstone according to engineer's instructions. Linear Meter 200 3.7 Supply and install double galvanized steel pipes 4 including all fittings and welding and hanging holder. The holder consists of (80x45x6mm) galvanized steel section and fixed to the bottom of bridge slab through galvanized steel Plates and anchored to the slab through 3F20 anchors according to Engineer s instructions. The item also includes connecting the pipes with the existing manholes at the both ends of the bridge. The contractor shall coordinate with the PALTEL regarding transferring the telephone lines. MR 50 3.8 Supply and fix signboard showing allowed vehicles to pass over the bridge as per drawings. The work shall include galvanized steel posts, concrete foundations, Timber or ply backboards and all other required works. No. 2 3.9 Supply and fix cast iron rainwater drainage grit 90x40cm including galv. Steel plate tray and galv. Steel pipe 6 and all necessary fittings and pieces as indicated in drawings and according to the engineer's instructions. No 4
3.10 Maintain and clean out the existing gutters and Paltel manholes at the both ends of the bridge to the operational conditions. Price includes supply and installs missing cast iron grills and covers 25 tons capacity and connecting the gullies to the wadi flow using pipes of the same existing size and type of pipes and all requirements according to the engineer s instructions. L.S 1 SECTION 3
Section No. 1 SUMMARY OF LOT#2 Section Description Value Demolition, Excavation, Backfilling and Stone Works. 2 Concrete Works 3 Miscellaneous Works Total VAT ZERO Grand Total Grand Total in Words. Contractor Authorized Person to sign Signature Stamp Date... Address.. Tel. Fax