Switzerland – Construction work – Sport- und Freizeitanlage Weyermannshaus, Gesamtsanierung, BKP 201 Baugrubenaushub

BKP 201 / Excavation Pit_Inst_Piles_Electrical+Utility Lines

The heading BKP 201 includes:

BKP 133 / 152 / 171 / 177 / 201

NPK-books: 112 / 113 / 161 / 162 / 164 / 171 / 211 / 216 / 237

Site establishment/ Construction tracks 280m/ Delivery + Transfer areas 6000m2/ Signalling/ Construction barriers/ Site fencing 560m/ Construction office 56m2/ etc.

Excavation pit:

Excavation sloped to 4.0 m à 13,840 m3

Excavation Cold Storage to 4.0 m, anchored and braced à 1,360 m3

Excavation depressions to 1.5 m depth + drainage ditches à 2,000 m3

Excavation depressions 1.51 to 2.5 m depth à 340 m3

Additional charge for contaminated excavation material à 16,300 t:

Disposal: T-material à 5,600 t/ B-material à 4,800 t/ E-material à 1,000 t

Landfill: B-material à 3,900 t/ E-material à 1,000 t.

Open water management with pumps and pump sumps up to 600 l/min. à 34 units.

Settling basin 30 m3/h à 4 units.

Neutralisation plant, average water volume 12 m3/h, max. 30 m3/h à 1 unit.

Excavation pit closures:

Sheet piling PU22, S355 à 1,124 m2

Concrete retaining wall 3:2 à 132 m2

Slopes 1:1 à 950 m2

Temporary unstressed anchors or self-drilling anchors, Rik ≥ 340 kN à 835 m / 81 units

Temporary unstressed anchors or self-drilling anchors, Rik ≥ 400 kN à 186 m / 15 units

Piles:

e.g. Type and quantity

Cast-in-place rotary displacement bored piles Ø 500 mm à pile length 3,060 m / 210 units

Cased cast-in-place bored pile Ø 1,200 mm à pile length 462 m / 30 units

Sewerage under the base plate. Pipes and fittings made of polyethylene PE-HD-R and polypropylene PP-R (approx. 1,150 m and 150 m respectively) as well as manholes (including pump manholes).

Demolition and replacement of power line under the designated ice rink plus new measuring shaft.

No reference is made to product/brand/design or type designations. If such designations are exceptionally listed, equivalent alternatives are permitted. The equivalence must be demonstrated by the bidder.