GRAND SUMMARY OF BILLS - Nyeri Water & Sewerage …...High Tensile Steel Reinforcement to B.S. 4483...

NYEWASCO/RFB/003/2016/2017-LOT 1

GRAND SUMMARY OF BILLS

BILL NO DESCRIPTION AMOUNT (KShs)

1 PRELIMINARY AND GENERAL ITEMS

2 GRAVITY LINE

3 RISING MAIN

4 PUMP HOUSE

5 PUMP STATION

6 FENCING

7 WET WELL & VALVE CHAMBER

8 PROVISIONAL SUMS

Sub-total 1

Add 5% contingencies

Sub-total 2

Add 16% V.A.T

GRAND TOTAL COST CARRIED TO FORM OF TENDER

PRELIMINARY AND GENERAL ITEMSITEM DESCRIPTION UNIT QTY RATE

(KShs)

AMOUNT

(KShs)

CLASS A: GENERAL ITEMS

Contractual requirements

Accommodation for the Project Manager's

Staff

A1

Provide Ksh. 200,000 for a Site Office -

Establishment and removal on completion LS 1

A2

Provide Kshs. 100,000 for Rental of

1bedroomed residential housing for Resident

Engineer to the satisfaction of the Project

Manager LS 1

A3

Provide Kshs. 100,000 Rental of 1 bedroomed

residential housing for Resident Engineer's staff

to the satisfaction of the Project Manager LS 1

Services for the Project manager's staff

A4

Provide Kshs. 300,000 Provision for operation

and maintenance expense of the Resident

Engineer's vehicles LS 1

Equipment for use by Project Manager's Staff

A5 Provide Kshs. 300,000 for Provision of office item 1

Equipment and Maintenance.

Attendance Upon Project Manager's Staff

A7 Provide Kshs. 240,000 for Driver Item 1

Sub Total 1

CLASS B PRELIMINARY AND GENERAL ITEMSITEM DESCRIPTION UNIT QTY RATE

(KShs)

AMOUNT

(KShs)

B1

Preparation of As built Record Drawings and

O&M Manual item 1

Temporary Works

B4 Traffic diversion during road crossing works item 1

B5

Traffic regulation; establishment, operation and

removal item 1

B6

Establishment and removal of project sign-

boards (location as directed on site) item 1

Provisional Sums

Dayworks

B7 Dayworks - Labour sum

B8

Contractor's mark-up on provisional sum for

Dayworks Labour %

B9 Dayworks - Plant sum

B10

Contractor's mark-up on provisional sum for

Dayworks Plant %

Other Provisional Sums

B11

Provide Kshs. 1,000,000 as Provisional sum for

atendance to works by the Employer's

supervision team sum

Subtotal 2

Total Carried to Summary page

BILL OF QUANTITY (provisional sums)ITEM DESCRIPTION UNIT QTY RATE

(KShs)

AMOUNT

(KShs)

C1

Provide Kshs 2000,000 Provision for power

connection to the site as shown on the

drawings. Item to include pole mounted

transformer sum 1

Prime Cost Sums for Specialized Works

C2

Allow Kshs 3,000,000 for construction of

sewage pumping station to include the

building, wet and dry wells, flow meter and

associated electrical and mechanical works all

in accordance with the drawings and as

directed by the Project Manager sum 1

C3

Allow Kshs. 4,759,815.46 for construction of

75mx30mx2.5m immergency masonry storage

pond sum 1

C4

Allow Kshs. 1,500,000 each for supply,

installation and commissioning of two no.

pumps with low head able to discharge

0.057CM/s; fitted with flow meter; Unshrouded

impeller type pump for solid-liquid mixture;

mounted on trolley with prime mover of 5HP;

flexible hose pipes for suction and delivery

100mm dia bore maximum length 120m Head sum 2

C5

Allow Kshs 250,000 to Construct a guard house

as directed by PM sum 1

C6

Allow Kshs. 300,000 to Construct a site toilet,

complete with 150mm sewer connection to the

new line as directed by the PM sum 1

C7

Allow for One million Kenya Shilings for

improvement of gravel road to the site sum 1

C8

Allow Kshs. 5,000,000 for acquisition of land

for the pump station/EASEMENT Sum 1

Total Page 1 Carried to Collection Page

GATENDE SEWER ( ALL ARE PROVISIONAL)ITEM DESCRIPTION UNIT QTY RATE

(KShs)

AMOUNT

(KShs)

CLASS A GENERAL ITEMS

Specified Requirements

Testing of works

A1

Provide Kshs. 300,000 for Carry out testing and cleansing of the

Sewers in accordance with the specifications specified in the

works requirements LS 1.00

CLASS B EARTHWORKS:

TRENCH EXCAVATIONS FOR LAYING PIPES

B1

Excavation for 900mm trench for laying of uPVC pipes to a

depth n.e. 3.0m CM 2,694.00

Gatende

B2

Excavation for 800mm trench for laying of uPVC pipes to a

depth n.e. 3.0m CM 2,694.00

EXTRA EXCAVATIONS

Over excavations for manholes:

B3 soft materials CM 1,500.00

CLASS D PIPE BEDDING

D1

Provide 200mm- 300mm Approved Red soil filling compacted in

layers of 150mm murrum bedding as per the design details SM 1,520.00

Sub- Total 01

GRAVITY SEWER (PIPEWORKS)ITEM DESCRIPTION UNIT QTY RATE

(KShs)

AMOUNT

(KShs)

CLASS E PIPEWORK - SEWERS

Provide, lay, and joint class 41 uPVC sewers in standard lengths.

Rates to include for surveying and setting out excavation,

shoring, disposal of excavated material backfilling of pipe

trenches thereafter and cementing of new pipes to new

manholes along the line

Gatende

E1 150mm uPVC laid at a Depth n.e. 2.5m LM 2,005.00

E2 200mm uPVC laid at a Depth n.e. 2.5m LM 1,750.00

E3 250mm uPVC laid at a Depth n.e. 3.0m LM 500.00

CLASS F PIPEWORK ANCILLARIES FOR BACKDROP MANHOLES

F1 150mm uPVC DOWN PIPE LM 100.00



F4 150mm uPVC ELBOWS NO 50.00



F7 150mm uPVC TEES NO 50.00



F10 150mm uPVC ACCESS CUP NO 50.00



F13 HOLDERBATS NO 100.00

CLASS G MANHOLESProvide all materials and construct Masonry Manholes /

Reinforced concrete manholes as shown on

Ring drawings in the following depth ranges, complete with

Heavy duty triangular manhole cover and step irons as shown

on drawings. Rates to include for excavation, shown on

drawings. Rates to include for excavation, shoring, insitu

concrete surround for rings and backfilling.

Gatende

Concrete works:-

G1 provide 1:2:4 reinforced concrete for manhole base slab CM 173

G2 1220mm Dia. Ditto manhole cover slabs CM 160

High Tensile Steel Reinforcement to B.S. 4483

G3 Y8mm Bars KG 1516.5

G4 Butemen Coated cast iron steps NO 750

Walling

Concrete Block walling in cement and sand

(1:3)mortar:20 gauge x 25mm wide hoop iron

reinforcement and column-wall ties in every alternate

course: to

G5 200mm manhole walling SM 1200

Finishes

Cement and Sand (1:4) Screed and Paving

G6

30mm screeding and Paving Finished with a steel trowel

including 12mm backing and 3mm finishing coat S.M 1440

Manhole covers

G7

supply and install 560mm X 540mm high density

Triangular plastic Manhole covers as per the drawings and

specifications

NO

150

Road Crossings

G8

make 1000mm wide cut on road surfece to allow for laying

of force main pipe to a depth n.e 1.5m deep

CM

11

G9 provide type B concrete bedding for the pipe protection CM 3

G10

Back fill, compact and recarpet the road surface as directed

by Resident Engineer

LS

1

Sub- Total 02

Total Page 1 Carried to Summary page

GATENDE SEWAGE RISING MAINITEM DESCRIPTION UNIT QTY RATE

(KShs)

AMOUNT

(KShs)

Class D - Site Clearance

D1 Removal of trees and stamps of girth 0.5 - 1m LS 1.00

Excavation and Backfilling

Trench excavation in normal materials for DN200 PN

25 mm, DCI pipe

D2 Trench depth n.e. 1.5m CM 1,300.00

D3 Disposal of excess excavated material CM 400.00

D4 Ditto but approved selected backfill material CM 2,000.00

Class I - Pipe Work

Pipe and Fitting : Supply, Laying and jointing, Supply

Transport to Site and Store, including jointing

materials complete set of galvanized bolts washers,

nuts and appropriate gaskets, packing, jointing glue

etc., as applicable.including laying and joining. All

diameters are nominal.

DCI pipes PN 25 to BS EN 545-2006, Standard

Internal coating: Sulphate resistance, high

aluminium cement mortar(ISO 4179) External

coating :Pure metal zinc and covered by bituminous

paint(ISO 8179, ISO 8179-1)and Casted of each pipe,

DCI, DN and PN of the pipe, Manufacturer mark.

I1 DCI pipe DN 200 PN 25 mm a depth n.e. 2m m 1,000.00

I2 Upvc pipe DN 200 PN 16 mm a depth n.e 2m m 1,400.00

Class J - Pipe Work Fittings and Valves

Supply and install PN 25, DCI fittings with gascket

and bolts DCI (Ductile Cast Iron)BS EN 545-

2006,Enternal Coating Sulphate resistance, high

aluminium cement mortar (ISO 4179)External

coating Pure metal zinc and covered by bituminous

paint (ISO 8179, ISO 8179-1)and Casted of each pipe,

DCI, DN and PN of he fitting, Manufacturer mark

J1 DN 200, PN 25 double socket 450 bend NO 10.00

J2 DN 200, PN25 Double Socket and flanged branch

Tee NO 10.00

J3 DN 200 ,PN 25 dismantling joint NO 10.00

J4 DN 200, PN25 flanged spigot, 900mm long NO 10.00

J5 DN 200, PN25 flanged spigot, 900mm long NO 10.00

J6 DN 200, PN25 double flanged with central puddle

flange; 900mm long

NO 10.00

J7 DN 200, PN 25 double flanged gate valve, handwheel

operation NO 1.00

J8 DN200, PN 25 double action flanged ,anti shock

sewer air valve NO 1.00

J9 200mm uPVC ELBOWS NO 10

J10 200mm uPVC DOWN PIPE LM

200mm uPVC ACCESS CUP NO 2

Class K: Pipework - Manholes and Ancillaries

K1 Class C15 concrete stools and thrust blocks; volume

0.2 - 0.5m3 NO 4.00

K2 Precast concrete marker posts as detailed on the

drawings NO 5.00

Testing of the Works

K3 Pressure testing to 200mm nominal bore DCI and

Upvs pipe. SUM 1.00

Total Page 2 Carried to Summary page

AMOUNT

ITEM DESCRIPTION KSHS

A. SUBSTRUCTURES

(ALL PROVISIONAL)

Excavation, including maintaining and supporting

sides and keeping bottoms free from water and mud

or other fallen material

WET WELL

A Excavate for wet well not exceeding 1.50m deep. CM 5

B Ditto 1.50m-3.0m deep CM 5

C Ditto 3.0m-4.5m deep CM 5

D Ditto 4.5m-6.0m deep CM 5

Disposal CM 5

E Back filling selected excavated materials around

foundation.

CM 13

Hardcore

F 250mm thick filling: deposit, spread, level and

compact: to receive blinding

SM 3.5

G 50mm murram blinding to surface of hardcore. SM 3.5

Anti-Termite Treatment

Plain Concrete 1:4:8 mix in:

Reinforced Concrete 1:2:4- 20mm gauge mix in

H 200 mm wet well base slab SM 3.5

I 300mm wet well wall CM 12

J 150mm cover slab CM 0.5

Reinforcement


K Y8mm Bars KG 20

L Y10mm Bars KG 50

M Y12mm Bars KG 150

metallic formwork

N sides and soffits of beams SM 20

O Horizontal soffits of suspended slab SM 7

P aluminium manhole cove No. 1

Q Construct 1000mmx1000mm x1500mm deep valve

chamber complete with aluminium access door to detail

as shown in the drawing

LS 1

Total to Summary Pagefor wet well & Valve

Chamber construction

WET WELL

UNIT QTY RATE KSHS

AMOUNT


A. SUBSTRUCTURES

OFFICES BQ

ELEMENT No. 1

(ALL PROVISIONAL)

A Excavate oversite to remove vegetable soil average

150mm deep;wheel and deposit on site n.e. 100M away in

permanent spoils heaps

SM 10

B Excavate for strip footing not exceeding 1.50m deep. CM 7.5

Disposal

C Back filling selected excavated materials around

foundation.

CM 5.5

Hardcore

D 250mm thick filling: deposit, spread, level and compact:

to receive blinding

SM 10

E 50mm murram blinding to surface of hardcore. SM 10

Anti-Termite Treatment

F Chemical anti-termite treatment executed by Rentokil

Laboratoties Limited or equal and approved pest control

firm under a ten year gurantee, applied to surface of

excavation and floor

SM 10

Damp-Proof Membrane

G 500mm Gauge polythene damp-proof membrane laid on

blinded hardcore with 100mm folded side and end laps

(measured net-allow for laps)

SM 10

Plain Concrete 1:4:8 mix in:

H 50 mm blinding bed under strip footing CM 0.5


I 150 mm floor slab SM 10

J 300 mm thick Strip Footing CM 2.5

K 600 x150mm thick pavement round the perimeter walling SM 1.5

Reinforcement


L Y10 KG 25

M Y8 KG 15

Mesh Fabric Reinforcement to B.S.4483

N

Mesh reinforcement reference A 142 weighing 2.22kg per

square metre laid in bed with 300mm side and end laps

(Measured net allow for laps) SM 10

MASONRY

CONTROL ROOM

UNIT QTY RATE

KSHS

Medium quarry dressed stone walling in cement and sand

(1:3)mortar:20 gauge x 25mm wide hoop iron


course: to

O 200mm walling in Foundation SM 12

Hessian Based Bituminous Felt Damp-Proof course to

B.S.743 type 4A and setting in cement and sand

mortar

P under 200mm walls L.M 12

SUB-TOTAL

AMOUNT


ELEMENT No.2

CONCRETE WORK AND WALLING


A Rings Beams;300x200 CM 1.5

Sawn formwork to

B sides and soffits of beams SM 15

Reinforcement


C Y8mm Bars KG 25

D Y12mm Bars KG 15

Walling

Medium quarry dressed stone walling in cement and

sand (1:3)mortar:20 gauge x 25mm wide hoop iron


course: to

E 200mm walling SM 30

G 200X200mm High cement and sand (1:4) mortar in eaves

filling

L.M 35

SUB-TOTAL

AMOUNT


ELEMENT No.3

ROOFING AND RAINWATER

DISPOSAL

concrete and walling sundries

Sawn Treated Cypress

UNIT QTY RATE

KSHS

UNIT QTY RATE

KSHS

C100mmx50mm Braces, ties, strut, and posts L.M. 50

D 75mmx50mm Purlins L.M. 30

E 100 x 50mm wall plate L.M 15

Galvanized Mild steel

Wrought Treated Cypress

M 225mm x38mm Fascia or barge board L.M 20

Roofing

Roof Covering 28 Gauge Corrugated ‘Resincot’ Iron

Sheeting and Accessories as Manufactured by Gal

sheet K Ltd or equal and approved

N Roofing Covering with 1 ½ Corrugation side laps nailed

to timber Purlins with galvanized roofing nails with

rubber washers (Measured out and allow for laps)

S.M 20

O Ridge caps L.M 2

P Plastic gutters;180mm diameter half round L.M 15

Q Plastic gutters;support brackets spaced at 500mm c/c NO. 30

R Plastic downpipes;75mm diameter L.M 3

AMOUNT


ELEMENT No. 4

FINISHINGS

Cement and Sand (1:4) Screed and Paving

A 30mmscreeding and Paving Finished with a steel trowel S.M 15

12mm Two Coats Lime Plaster with stel Trowel

Finished to:

C Stone Work SM 40

Ceiling

D 50x50mm sawn cypress brandering LM 50

Celotex'or equal and approved termite proffed

fibreboard.

SUB-TOTAL

UNIT QTY RATE

KSHS

E 12mm ceiling lining with V' joints to panels fixed to

brandering SM 10

F 100mm x12mm wrought cypress cornice with 1 labour

plugged LM 15

G Extra over ceiling lining for forming removable trap door

size 600x600mm with 100x38mm treated sawn cypress

triming foists between beams 120x25mm wrought cypress

frame all round and 12 mm panel set loose on top of

framing.

NO. 1

SUB-TOTAL

AMOUNT


ELEMENT No. 5

DOORS

Wrought Hardwood Timber

H

50mm framed battened door size 900x2100mm high

constructe of 150mm grooved framed all round filled in

with tongued and grooved 'V' jointed vertical boarding in

100mm widths

NO. 1

I 30 X20mm architrave LM 5

J 100x50mm frame with one labour , plugged LM. 5

Ironmongery

Supply and fix the following ironmongery with

matching screws

K 100mm steel butt hinges NO. 3

L Two lever mortice lock and pairs of chromium plated

lever handle furniture.

NO. 1

M Aluminium hat and coat hook NO. 1

SUB-TOTAL

AMOUNT


ELEMENT No.6

WINDOWS

Sundries

A 12 mm Quary tile cill 100mm wide bedded and jointed in

cement and sand (1:4) mortar including pointing in

coloured cement mortar.

L.M 3

UNIT QTY RATE

KSHS

UNIT QTY RATE

KSHS

B 100x20mm wrought hardwood board plugged LM 3

Purpose made metal casement windows with heavy

duty sections to comply with B.S. 990 factory primed

with red oxide primer complete with lugs and fitted

and bedding and pointing frame in non-sitting mastic.

C window size 800x1200mm high with two paning lights

and one fixed light divided in 12 NO. equal panes

complete with buggler proof bars.

NO 2

5mm Clear sheet glass and glazing to metal with putty

in:

E Panes over o.10 but not exceeding o.50 square meteres SM 2

SUB-TOTAL

AMOUNT


ELEMENT No.7

PAINTING AND DECORATING

Prepare and apply three coats plastic emulsion paint

to:

Internally

A. Plastered walls SM 40

B. Celotex ceiling SM 10

Prepare and apply two under coats and one hard gloss

finishining coat on metal work

C General surface of glazed windows (both sides measured

flat overall)

SM 3

D surfaces of small bars LM 5

E

surfaces over 100mm but not exceeding 200mm girth

LM 10

Prepare and prime woodwork

F Backs of frames, etc not exceeding 100mm girth LM 20

Prepare prime and apply three coats hard gloss oil

paint to wood work

G General surfaces S.M 6

UNIT QTY RATE

KSHS

H Surfaces not exceeding 100mm girth LM 10

I Surfaces over 100mm but not exceeding 200mm girth LM 10

J Surfaces over 200mm but exceeding 300mm girth. LM 10

SUB-TOTAL

pg RATE

KSHS

AMOUNT


BILL NO. 5

OFFICES

SUMMARY

ELEMENT NO.

1. SUBSTRUCTURE

2. CONCRETE WORK AND WALLING

3. ROOFING AND RAINWATER DISPOSAL

4. FINISHING

5. DOORS

6. WIDOWS

7. PAINTING AND DECORATION

TOTAL TO SUMMARY PAGE

ITEM DESCRIPTION UNIT QTY RATE AMOUNT (Kshs)

1.00 DRIVEWAY & PARKINGS

Excavation and Earthworks

A Excavate to reduced levels CM 300

Surface treatments

B Grade bottoms of excavation to falls and crossfalls; compact to 95 percent B.S.

compaction by an approved roller SM 200

C "Tiarra WP" weedkiller as manufactured by Twiga Chemicals Limited or other equal and

approved, applied strictly to manufacturer's instructions SM 200

D 150 mm thick selected murram sub-base filling, laid to falls and cross-falls, graded and

compacted in 150 mm thick layers to 98 percent MDD SM 200

E 200 mm thick hand-packed hard stone fillings, graded, blinded and compacted to falls and

cross-falls SM 200

F 50 mm thick approved blinding layer compacted to falls and cross-falls SM 200

G 50 mm thick sand bed to receive concrete block paving (measured separately) SM 200

H 80 mm thick precast concrete medium duty "cabro" paving blocks to manufacturer's

specification laid to fall SM 200

Precast concrete units (class 25/20) vibrated; bedded, jointed and pointed in cement

mortar (1:3), fair faced on all exposed surfaces

I125 X 250 mm half battered road kerb and 150 X 100 mm thick channel block laid to falls

on and including 350mm x 100 thick insitu concrete (class 20) base and 100 mm thick X

200 mm high haunching; excavation and earthworks; formwork; splayed edgesLM 20

J Ditto curved to various radii LM 7

Road Markings

KPrepare surfaces and apply three coats roadine marking paint on surfaces 0-100 mm girth

LM 30

SubTotal 01



2.00 PAVED AREA WITHIN THE STATION

Excavations and Earthworks

L Excavate to reduce levels and cart away CM 100

Surface treatments

M Grade bottoms of excavation to falls and crossfalls; compact to 95 percent B.S.

compaction by an approved roller SM 300

N"Tiarra WP" or other equal approved weedkiller as manufactured by Twiga Chemicals

Limited or other equal and approved, applied strictly to manufacturer's instructionsSM 300

O 300mm thick approved hardcore layer SM 300

P 100 mm thick selected murram filling laid to falls and cross-falls; graded and compacted

to approval SM 300

Q 50 mm thick sand bed laid on murram fillings (m/s) to falls and cross-falls SM 300

R 50 mm thick precast concrete slabs; on sand bed (m.s.) SM 300

5.00 LANDSCAPING

A Allow a PC sum for landscaping sum

Subtotal 2

TOTAL FOR EXTERNAL WORKSCarried to Main Summary

ITEM DESCRIPTION QUANITITY UNIT RATE AMOUNT

A Clear site of all obstruction and hedge and cart away from site 180 LM

BExcavate holes for anchoring fencing concrete posts (250mm

x 250mmx 450mm)75 No.

C

Construct and fix 200mm x 200 and 2550mm high concrete

post (1:2:4) with a structural bend of 300mm at a span of

3000mm centre to centre

75 No.

D Fix 4 strands of high tensile galvanised wire gauge 15 720 LM

Esupply and fix Fix berbed wire at the structural bend of the

bend (2 strands)360 LM

F

Supply and fix 2200mm high chain link gauge 16 mortised in a

mass concrete 1:3:6 mix including excavations

(150mmx150mmx150mm), form work and disposals

10 Rolls

Gates

GGate column -Excavate pit to form gate column foundation not

exceeding 1.5m deep 2 NO.

H

Costruct reinforced gate column (300mm x 300mmx2200mm)

reiforced with Y12 with trowel plastering and paintingg as

directed by the project Engineer

2 No.

G

Make and install purposed made steel grilled double

gate overall size 3000x 2100mm high in two equal

opening leaves each size 1500 x 2100mm high with

external frame of 75x75x3mm SHS,vertical bracing of

75x75x3mm spaced @500mm c/c, horizontal frame of

50x50x2mm spaced @300mmc/c fixed all fixed to

external frame by welding including all hinged supported

by RC columns complete with locking devices all finished

with one coat of approved primer and two coats of

weather proof gloss oil paints as approved by the Project

Enginner

1 NO.

EXTERNAL FENCING

TOTAL

GRAND SUMMARY OF BILLS - Nyeri Water & Sewerage …...High Tensile Steel Reinforcement to B.S. 4483...

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Transcript of GRAND SUMMARY OF BILLS - Nyeri Water & Sewerage …...High Tensile Steel Reinforcement to B.S. 4483...