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Prepared By:Date:
Depot Enq. No:
Scheme Ref:
Site Contact:Position:Tel / Mobile:Fax / Email:CDM Co-Ordinator:Tel / Mobile:Fax / Email:
Postcode: Temp Works Co-Ordinator:Tel / Mobile:Fax / Email:
GROUNDWORK ENGINEERING DESIGN BRIEFProforma No. 3
SCHEME INFORMATION
Customer Name and Address:
Scheme Title and Site Location:
Principal Contractor / Client:
Date Requested: Date Required:Scheme Status: Live Tender Feasibility
EXCAVATION INFORMATION
GROUND INFORMATION
head office: Scout Hill, Ravensthorpe, Dewsbury, West Yorkshire WF13 3EJtelephone: 01924 460 601 facsimile: 01924 457 932 email: [email protected] www.mabeyhire.co.uk
Office Use Only
Support Type:Over-dig inc. ?
depth (m)Cofferdam
Single SidedTrenchFrame OnlyCantileverStepped
Temporary Sacrificial Permanent Design Life (yrs) :
Other (please state)< than 12 wks > than 12 wks
SI ReportBH/TP Log
BH/TP Reference: BH / TP Datum:Verbal
GW MonitoringBH / TP Plan Does BH Data extend to final toe in?: YesNo
Type (i.e river, stream, canal etc): GW Level: Dewatering Distance from excavation:
Sump PumpHighest recorded water level:Well pointing to a depth of (m) :
Excavation Purpose: (pipe run, tank, structure etc) Plan Dimensions: Sheet to SheetMuck to MuckInternal Clearance
Excavation Depth: Over-dig info:(inc. any overdig)
Equipment requirements:
Preferred Equipment (please provide details)
Adjacent Water Course: Groundwater Info:
Duration of Excavation:
Ground Data Provided: Relevant BH / TP Data:
Distance from the excavation:
Tidal Flood Plain
Existing GL= Proposed CL=
Globally Locally Existing Batter Piling Mat
GROUND PROFILE DETAILS
Please indicate which faces of the excavation the ground profile details supplied apply.
(Please provide further details where appropriate in the 'additional info' section)
h =w1 =w2 =
Gradient = (m)
(m)
(m)
Side 1
Side 2Side 3
Side 4
Please input as much info as possible if known
QD - ENG - 004Issue 3 - Aug 2012
Page 1 of 3
ADJACENT SURCHARGE LOADS & PLANT DETAILS
30Te 45Te 60Te Crane* Excavator Hammer(10kN/m²) (15kN/m²) (20kN/m²)
Roads Stockpiling of Materials / Arisings Services RailOther (please specify) :
Form C* ! where possible please provide loads / method statements / GA's / plant footprint etc.
Adjacent Structures**:(Description i.e single storey, masonry, residential, commercial etc.)
Foundation Type: RC Piled Raft Strip Unknown
** ! please provide photographs of any adjacent structures prior to commencment of any design works
Pre Drive Slit Trench Dig & Push Push & Dig
2 stage const. Base Thickness (mm) : No Toe-inToe-in Maximum Toe-in (m) :
Preferred solutionBoxes Frames Walers OctagonalSheets:Lapped Interlocked CornersUpstand Min. Height Req.(m) :
CLEARANCE OPTIONS (PLEASE SELECT AVAILABLE OPTIONS)
Top Frame Lower Frame
! PLEASE INDICATE IF THERE ARE ANY SPECIFIC DEFLECTION REQUIREMENTS TO CONSIDER
Plant / Site Traffic Details: Distance / Details
Distance / Details
PROPOSED METHOD OF WORKING
Additional InformationClear SpanClear Span - required at 2nd stage onlyCross Struts4 Knee Brace2 Knee BraceClearance required on plan (m)Clearance required on elevation (m)
! Please indicate if Proforma 3A or 3B is to be completed / read in conjunction with the above information
3A 3B
ADDITIONAL SCHEME INFORMATION:
Stair Access
Q-Kap
Loadings provided
QD - ENG - 004Issue 3 - Aug 2012
Page 2 of 3
VERBAL SOILS DESCRIPTION
SIZE (mm)TERM
2000BOULDERS 600 Loose
Dense60
COARSE Density SPT 'N' Value �
Very Loose <4 <28o
MEDIUM Loose Loose 4 - 10 28o - 30o
6 Med. Dense 10 - 30 30o - 36o
FINE Dense 30 - 50 36o - 40o
2 Very Dense >50 >41o
COARSE0.6 Prefix Suffix %Course %Fine
MEDIUM Slightly With a little
0.2 (Sandy) Occasional <5 <5
FINE (Sandy) With some 5 - 20 2 - 15
0.06 Very (Sandy) Much/Many 20 - 40 15 - 35
COARSE Soft or Loose Easily moulded or crushed in the fingers0.02 Prefix Suffix Proportion (% )
MEDIUM Slightly With a little < 35
0.006 Firm or Dense (Sandy) Occasional FINE (Sandy) With some 35 - 65
Very (Sandy) Much/Many > 65
Very Soft Exudes between fingers when squeezed <20Soft Moulded by light finger pressure 20 - 40Firm Moulded by strong finger pressure 40 - 75Stiff Cannot be moulded; indented by thumb 75 - 150
Very Stiff Indented by thumbnail > 150
Firm Fibres alreay compressed togetherSpongy Very compressible an open structurePlastic Can be moulded in hand, smears in fingers
Layer 2Layer 3Layer 4Layer 5Layer 6
Reduced Groundwater LevelDetails of Dewatering Methods (if applicable)
Groundwater Level
VERBAL SOIL DESCRIPTION
Can be moulded or crushed by strong pressure in fingers
0.002
Fibrous : Plant remains recognisable, retains some strength
VariesAmorphous : Recognisable plant remains absent
Slightly Cemented Visual examination; pick removes soil in lumps which can be abraded
Secondary constituent of coarse soils
Secondary constituent of coarse soils
COBBLES
20Can be excavated by spade; 50mm peg driven easily
Dense Requires pick for excavation; 50mm peg hard to drive
FIELD IDENTIFICATION
By inspection of voids an particle packing
Descriptions generally in accordance with BS 5930 : 1981, For more information refer to British Standard.
200
SOIL DESCRIPTION GUIDELINES
SOIL TYPE COMPACTNESS / STRENGTH DETAILS
Position Company
CUSTOMER CONFIRMATION"I confirm that the above information comprises the design brief Mabey Hire should use to prepare the required scheme."
Signed Name (print)
V
ER
Y C
OA
RS
E
CO
AR
SE
GR
AV
EL
SA
ND
SS
ILT
S
FI
NE
CLA
YS
Str
engt
h kN
/m2
O
RG
AN
IC
ORGANIC CLAY, SILT, SAND PEAT
Str
uctu
re
Layer 1
Proforma No. 3bQD - ENG - 010Issue 3 - Aug 2012