Construction of a Sewerage System in Halabja City Center Tender, Iraq - 70520964

Procurement Summary

Country : Iraq

Summary : Construction of a Sewerage System in Halabja City Center

Deadline : 11 Sep 2022

Other Information

Notice Type : Tender

TOT Ref.No.: 70520964

Document Ref. No. : KUR/ 2022/0020/Ha3.4

Financier : Other Funding Agencies

Purchaser Ownership : Public

Tender Value : Refer Document

Purchaser's Detail

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Tender Details

Construction of a Sewerage System in Halabja City Center

A Sewer Construction
A1 (Double Wall Corrugated HDPE 80 sewer pipe with ring
stiffness value not less than SN8 (31.5kN/m2), and according
to ASTM and DN of 400mm diameter: Supply materials,
machinery and man power to construct sewer line with
(Double wall corrugated HDPE pipes, base and surrounding
of the pipes with (Sand material according to the drawing and
connect new sewer with main existing sewer system). The
work includes excavation in all type of soil including rock
layers and any needed diversion for water or the access road
if needed, so directed by the Site Engineer. The item includes
laying the pipe over 20cm thickness of sand and jointing of
the pipes as in (ASTM D 2321) all necessary fittings. The
width of the trench should be according to the drawings and
average depth according to the site requirement, backfilling
with sand upto 30cm above the top of the pipe, and then
backfilling to the original natural ground level with approved
selected material in layers each layer to be compacted to the
approval of supervisor Engineer, and all the work must be
executed according to the drawings and the standard Iraqi
General Specifications.
A1.1 (Double Wall Corrugated HDPE 80 sewer pipe with ring
stiffness value not less than SN8, (PR54-1),
SR24=(31.5kN/m2), and according to ASTM and DN of
400mm diameter)
ML 700
A1.2 (Double Wall Corrugated HDPE 80 sewer pipe with ring
stiffness value not less than SN8, (PR54-1),
SR24=(31.5kN/m2), and according to ASTM and DN of
600mm diameter)
ML 50
A1.3 (Double Wall Corrugated HDPE 80 sewer pipe with ring
stiffness value not less than SN8, (PR54-1),
SR24=(31.5kN/m2), and according to ASTM and DN of
900mm diameter)
ML 71
(Ha3.4) Construction of Sewerage system in Halabja City Centre
7
B Construction of manholes
B1 The works includes provision of all the machineries, required
materials, construction equipment, labors to excavating depth
and dimensions according to required design level and site
requirement (will be provided by municipality of Halabja),
all that are required to make the job complete in every part &
detail to construct manholes in accordance with the following
items of work also connecting the final manhole to the
existing sewer system, backfilling with good compaction
after constructing the manholes, transporting all the debris to
outside municipality and all the works will be carried out
strictly in accordance with technical specifications, drawings
and instructions of the supervising engineer.
Supplying materials and placing in proper position 10 cm
thick layer of crushed stone with proper compaction and
casting 25 cm thick of R.concrete of class C20 for the
manhole foundation and 20cm for the walls according to the
sketch and instructions of the supervising engineer. Fairface
formwork for the walls, installing water stop while casting
the base, installing internal iron ladder and painting the
internal & external surfaces of manhole with two coats of
bituminous or three coats of flin coat.
Constructing reinforced concrete cover slab (C 30 ) 25cm
thickness as per attached drawings with a minimum concrete
cover of 25 mm under and over reinforcement and stippling,
installing the cast iron with internal diameter not less than
60cm. weight of moveable circular cast iron cover and its
base not less than (180Kg), the frame and the base of the cast
iron cover must be fixed and embedded inside of each
manhole's concrete cover also making 2 embedded hooks at
the corners.
B1.1 Manhole of having internal dim.(1*1)m and required depth
according to design level to design for sewer pipeline to be
provided by Municipality of Halabja
NO 17
B1.2 Manhole of having internal dim.(1.2*1.2)m and required
depth according to design level to design for sewer pipeline
to be provided by Municipality of Halabja
NO 1
B1.3 Manhole of having internal dim.(2*2)m and required depth
according to design level to design for sewer pipeline to be
provided by Municipality of Halabja
NO 1
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C Attached inlets
C1 Constructing concrete attached inlets having internal
dimensions of (0.4x0.60)m of variable depth according to
site requirement: Supply materials, equipment's, tools and
labors to constructing attached inlet with reinforced concrete.
The work includes excavation, backfilling, placing 10cm
crushed stone for beds with good compaction, casting with
class C25 R.concrete 15cm thickness for the foundation &
walls, fairface surface, painting the internal surfaces with
three coats of flin coat, provision of materials and all that
required to connect with PVC pipe Dia 30cm to manholes or
(HDPE pipe of same Dia surrounded by 15cm of clean sand)
& make the job complete in every part & detail to provide
and fix the grills for the road gullies (water inlets) cast iron
grills with frame their weights not less than (100 kg.) in
accordance with the following items of work and technical
specification, the price includes fixing the cover on the same
level of the proposed street (Distances between inlets and
manholes, elevations and locations of the inlets will be
provided by municipality of Halabja) to dispose the garbage
to the place, all required accessories and all the works must
carried out according to the attached drawings, standard
specifications and to the instructions of the supervising
engineer

1 Bid Validity Period 60 calendar days from Tender Close Date
2 ITB Close Date and Time
11.September.2022 at 12:00 PM HRS ERBIL TIME
3 The estimated implementation period for this project 180 calendar days

Documents

 Tender Notice