NEW 350 THICK RC SLABSSL = -3.50 m
SEQUENCE IS BASED ON AVAILABLEACCESS FROM GROUND LEVEL
EQUAL 410 mm Thk. RC UNDERPINS CAST IN SEQUENCE SHOWN
100/1PROPOSED LOWER GROUND FLOORUNDERPINNING PLANSCALE 1:50
18 L
EXH
AM M
EWS
16 L
EXH
AM M
EWS
350
mm
Thk
. RC
WAL
L CA
ST IN
UN
DER
PIN
SEQ
UEN
CE S
HO
WN
350
mm
Thk
. RC
WAL
L CA
ST IN
UN
DER
PIN
SEQ
UEN
CE S
HO
WN
1 2
EQUAL 350 mm Thk. RC UNDERPINS CAST IN SEQUENCE SHOWN
A
B
0502
0604
0104
0103
0602
0501
04
06
0104
0602
0502
0503
03
03 05 02 04 01 03
1200
ARCHITECT:
CLIENT:
17 LEXHAM MEWS
PROPOSEDUNDERPINNING LAYOUT
1:50 23405 A3/100PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1 SCALE @ A3 PROJECT No: DWG No:
NOTES
SEQUENCE OF UNDERPINNING1.ALL UNDERPINNING WORKS SHALL COMPLY WITH CP8004:FOUNDATIONS.BEFORE COMMENCING WORKS THE CONTRACTORSHALL EXAMINE THE PROPOSED BAY LAYOUT TOENSURE SAFE AND WORKABLE PROGRAMME OF WORKSIS MAINTAINED.THE CONTRACTOR SHALL PROVIDE HIS PROGRAMMEINDICATING FOR EACH PIN:a) commencement of excavationb) completeion of excavationc) concretingd) dry packing2. SHOULD ANY EVENTS OCCUR DURING THE WORKSWHICH ALTERS THIS PROGRAMM, THE ENGINER IS TOBE INFORMED IMMEDIATELY.3. BEFORE UNDERTAKING ANY EXCAVATIONS THECONTRACTOR SHALL LOCATE ANY EXISTING SERVICESIN THE VICINITY.4. THE EXCAVATION AND CONSTRUCTION OF THESECTIONS SHALL LOCATE ANY EXISTING SERVICES INTHE VICINITY.5. THE EXCAVATION AND CONSTRUCTION OF THESECTIONS SHALL BE CARRIED OUT IN A SEQUENTIALPATTERN SUCH THAT A MAXIMUM DEGREE OFSUPPORT IS OFFERED TO THE WALL AT ALL TIMES.
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
6. BACKFILLING TO ACCESS TRENCHES SHALL BE OFMOT TYPE 1 OR SIMIALR QUALITY MATERIALCOMPACTED IN 100 mm LAYERS WITH NOT LESS THAN6 PASSES OF VIBRATING PLATE COMPACTOR WEIGHINGNOT LESS THAN 1100KG.7. CONCRETE MIX SHALL BE GRADE C40 AT 28DAYS.USE 20mm AGGREGRATE AND SULPHATERESISTING CEMENT.8. THE DRY PACKING SHALL CONSIST OF 1 PART BYVOLUME OF RAPID HARDENING PORTLAND CEMENTAND 3 PARTS SHARP SAND.9. UNDERPINNING SHALL BE CARRIED OUT IN BAYS ASNOTED ON THE DRAWING.BAYS 1 SHALL BE EXCAVATED,BOTTOMED,REINFORCED IF NECESSARY ANDCONCERETED. AFTER DAY1 DRY PACK BETWEEN TOPOF CONCRETE UNDERPINNING AND UNDERSIDE OFEXISTING FOUNDATIONS USING A CAULKING TOOL AND4lb CLUB HAMMER TO RAME HOME.10. THREE DAYS SHALL ELAPSE BETWEEN COMPLETIONOF BAY 1 AND START OF BAY 2 AND SIMILARLY FORBAYS 2,3,4, & 5. BAY SECTIONS MUST NOT EXCEED1000mm OR AS DETERMINED ON SITE BY STRUCTURALENGINEER.11. IF LATERAL SUPPORT OF TRENCHES IS CONSIDEREDNECESSARY IT SHALL BE REMOVED DURINGCONCRETING OR IF LEFT IN IT SHALL NOTINCORPORATE TIMBER.ALL TEMPORARY PROPPINGSHALL BE CONTRACTORS SOLE RESPONSIBILITY.12. THE BUTTING EDGES OF ADJACENT BAYS SHALL BEKEYED TO ENSURE A SUITABLE TRASNFER OF SHEARBETWEEN THE FACES. NO BAYS SHALL BE EXCAVATEDAND LEFT OEVRNIGHT WITHOUT CONCRETING.13. EXCAVATIONS WHICH ARE LEFT OPEN OVERNIGHTSHALL BE BLINDED WITH 50mm OF 1:8 CONCRETEWITH SULPHATE RESISTING CEMENT.GENERALLYUNDERPINNING BAYS ARE NOT TO EXCEED 1M INLENGTH. ADEQUATE SUPPORT TO AT LEAST TWOTHIRDS OF THE LENGTH OF THE WALL IS TO BEMAINTAINED AT ALL TIMES. SECTIONS OF THE WORK INPROGRESS AT ANY ONE TIME ARE TO BE SEPARATEDBY A DISTANCE OF AT LEAST 1M.EXCAVATION FOR UNDERPINNING SHALL BE TAKENDOWN TO A LEVEL AND STRATUM AGREED WITH THEENGINEER AND LOCAL AUTHORITY BUT IN NO CASELESS THAN INDICATED ON THE DRAWINGS. THEUNDERSIDES OF EXISTING FOOTINGS ARE TO BECLEANED AND HACKED FREE OF ANY DIRT,SOIL ORLOOSE MATERIAL BEFORE FINAL PINNING
PRELIMINARYP2
PRELIMINARYP3
PRELIMINARYP3
PRELIMINARYP4
NEW 350 THICK RC SLABSSL = -3.50 m
EQUAL 410 mm Thk. RC UNDERPINS CAST IN SEQUENCE SHOWN
200/1BASEMENT TEMPORARY WORKS LAYOUTSCALE 1:50
18 L
EXH
AM M
EWS
16 L
EXH
AM M
EWS
350
mm
Thk
. RC
WAL
L CA
ST IN
UN
DER
PIN
SEQ
UEN
CE S
HO
WN
350
mm
Thk
. RC
WAL
L CA
ST IN
UN
DER
PIN
SEQ
UEN
CE S
HO
WN
1 2
EQUAL 350 mm Thk. RC UNDERPINS CAST IN SEQUENCE SHOWN
A
B
0502
0604
0104
0103
0602
0501
04
06
0104
0602
0502
0503
03
03 05 02 04 01 03
HIG
H L
EVEL
WAL
LER
WALLERS: MK3 OR 152x89UB16HORIZONTAL PROPS ANDRAKING SHORES: LMBS STRUTSOR 152 UC 30 SECTIONS
HIGH LEVEL PROP
HIGH LEVEL PROP
HIGH LEVEL PROP
HIG
H L
EVEL
WAL
LER
HIGH LEVEL WALLER
ARCHITECT:
CLIENT:
SCALE @ A3 PROJECT No: DWG No:
NOTES
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
17 LEXHAM MEWS
PROPOSED BASEMENTTEMPORARY WORKS LAYOUT
1:50 23405 A3/200PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1
TEMPORARY WORKS NOTES
1. TEMPORARY PROPPING SHALL BE MAYBEYOR RMD OR 275 CHS OR SIMILAR APPROVED.
Materials:Steel Beams to be Grade S355Steel Plates to be Grade S275.
Finish :-Steelwork:Painted 2 Coats Zinc Phosphate Primer.
Fixings:Unless noted otherwise all bolts to be grade8.8 and fitted with appropriate washer undernut. All bolts to protrude at least 2no. threadsbeyond end of nut.
Welding:Unless noted otherwise, all welds to be8mm full profile fillet welds.
LEVEL=-0.8
MASONARY WALL TOBE UNDERPINNED
REAR OF EXCAVATIONS MAYREMAIN UNSUPPORTED FOR48 HRS SUBJECT TO SITECONDITIONS. IF SITE ISUNATTENDED SUPPORTSRQD.
CENTRAL SOIL MASSFOR PROPPING AGAINST
1m min working space
STAGE 1 - Clay SoilsSCALE 1:00
LEVEL=-0.8
MASONARY WALL TOBE UNDERPINNED
WALL REINF. PLACED ANDREADY FOR SHUTTERING
CENTRAL SOIL MASSFOR PROPPING AGAINST
1m min working space
STAGE 2 - Clay SoilsSCALE 1:100
LEVEL=-0.8
MASONARY WALL TOBE UNDERPINNED
FORMWORK PROPPEDAGAINST SOIL MASS CENTRAL SOIL MASS
FOR PROPPING AGAINST
1m min working space
STAGE 3 - Clay SoilsSCALE 1:100
PROP AFTER FORMWORKHAS BEEN STRUCK WITHCONT. SCAFFOLDING TOCENTER OF PIN
PROVIDE 75 x 225CONTINUOUS BOARDTO SPREAD LOAD FROMTHRUST PROPS
LEVEL=-0.8
MASONARY WALL TOBE UNDERPINNED
EXISTING FLOOR TO BESUPPORTED BY PROPS ANDTIMBER PLATES
REMOVE CENTRAL SOIL MASS
1m min working space
STAGE 3 - Clay SoilsSCALE 1:100
PROP AFTER FORMWORKHAS BEEN STRUCK WITHCONT. SCAFFOLDING TOCENTER OF PIN
INSTALL SACRIFICIALTHRUST BLOCK BELOWBASEMENT SLAB
PROP AFTER FORMWORKHAS BEEN STRUCK WITHCONTINUOUS SCAFFOLDINGBOARDS TO CENTRE OF PIN
DRY PACK 75 mm. ONLYAFTER 48 HRS AFTER CONCPOUR
CORBELLED FOOTING TO BEREMOVED
201/1 - UNDERPINNING / EXCAVATION / PROPPINGSCALE 1:100
IF THE UNDERSIDE OF EXISTINGFOOTINGS ARE UNSTABLE SUCHAS LOOSE BRICKORK THENTHEY ARE TO BE PROPPEDSACRIFICIALLY.
ARCHITECT:
CLIENT:
SCALE @ A3 PROJECT No: DWG No:
NOTES
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
17 LEXHAM MEWS
PROPOSED TEMPORARY WORKS
1:50 23405 A3/201PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1
PMD
120mm DP OVERALL CONCRETESLAB WITH COMFLOR 46
PROFILED METAL DECK: GAUGE1.2mm. A142 MESH T+B
RC WALLS UNDER
101/1PROPOSED GROUND FLOOR PLANSCALE 1:50
18 L
EXH
AM M
EWS
16 L
EXH
AM M
EWS
1 2
STUD WALL
PMD
PMD
PMD
PMD
01
02
03
04
05
06
07 NEW STAIRWELL
STRUCTURAL MEMBERS01& 07: 100x100x8mm THICK RSABOLTED AT 400 Ctrs TO RC WALLSWITH M12 THREADED DOWELS,150mm EMBEDMENT DEPTH INTOEXISTING BRICKWORK WITH HILTIHIT-HY-70 MORTAR.
A
B
PMD
02,03,04,05,06,06 A-B: 203x203 UC 71+ 2No/ 100 x 100 RSA 8 mm THICK.BOLT WITH M12 GRADE 8.8 @400CTRS.08: 152x152 UC 23 + 2No/ 100 x 100RSA 8 mm THICK. BOLT WITH M12GRADE 8.8 @400 CTRS.
P1
P1
P1
P1
P1 P1
P1
P1
P1
P1
LIGHTWELL 6A
06B
PMD08
P1
CAN
TILE
VER
BEAM
FULL END PLATE CONNECTIONENDPLATE TO BE FULL DEPTH OFBEAM 06, 5mm THICK WITH 4M16BOLTS GRADE 8.8
INSITU CONCRETE PADSTONESREFERENCE DIMENSION
P1 500Lx100wx225dp
ARCHITECT:
CLIENT:
SCALE @ A3 PROJECT No: DWG No:
NOTES
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
17 LEXHAM MEWS
PROPOSED GROUND FLOOR PLAN
1:50 23405 A3/101PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1
PRELIMINARYP2
PRELIMINARYP3
PRELIMINARYP4
PRELIMINARYP5
LIGHTWELL
102/1PROPOSED FIRST FLOOR PLANSCALE 1:50
NEW JOISTS50 x 200 dp C22 GRADE
@300 Ctrs
STUD WALL
STUD WALL
NEW INFILL JOISTS50 x 200 dp C22 GRADE
@300 Ctrs
18 L
EXH
AM M
EWS
16 L
EXH
AM M
EWS
1 2
WHERE EXISTING / NEW TIMBER JOISTS SPAN PARALLEL TO WALLS. 30 x 5GALVANISED MILD STEEL STRAPS ARE TO BE FIXED ACROSS THE SOFFIT OF ATLEAST 3 No JOISTS WITH SOLID TIMBER BLOCKING BETWEEN AT 1.2 MMAXIMUM CENTRES. STRAPS TO BE AT LEAST 1400mm LONG O/A, BENT1000x400mm AND RESIN FIXED TO EXISTING WALLS. TIMBERS TO BE NOTCHEDFOR STRAPS IF REQUIRED.
NEW STAIRWELL
A
B
DOUBLE TIMBER JOISTS
ARCHITECT:
CLIENT:
SCALE @ A3 PROJECT No: DWG No:
NOTES
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
17 LEXHAM MEWS
PROPOSED FIRST FLOOR PLAN
1:50 23405 A3/102PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1
PRELIMINARYP2
PRELIMINARYP3
PRELIMINARYP3
PRELIMINARYP4
LIGHTWELL
103/1PROPOSED SECOND FLOOR PLANSCALE 1:50
NEW JOISTS50 x 200 dp C22 GRADE
@300 Ctrs
STUD WALL
STUD WALL
NEW INFILL JOISTS50 x 200 dp C22 GRADE
@300 Ctrs
18 L
EXH
AM M
EWS
16 L
EXH
AM M
EWS
1 2
WHERE EXISTING / NEW TIMBER JOISTS SPAN PARALLEL TO WALLS. 30 x 5GALVANISED MILD STEEL STRAPS ARE TO BE FIXED ACROSS THE SOFFIT OF ATLEAST 3 No JOISTS WITH SOLID TIMBER BLOCKING BETWEEN AT 1.2 MMAXIMUM CENTRES. STRAPS TO BE AT LEAST 1400mm LONG O/A, BENT1000x400mm AND RESIN FIXED TO EXISTING WALLS. TIMBERS TO BE NOTCHEDFOR STRAPS IF REQUIRED.
NEW STAIRWELLA
B
DOUBLE TIMBER JOISTS
ARCHITECT:
CLIENT:
SCALE @ A3 PROJECT No: DWG No:
NOTES
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
17 LEXHAM MEWS
PROPOSED SECOND FLOOR PLAN
1:50 23405 A3/103PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1
PRELIMINARYP2
PRELIMINARYP3
PRELIMINARYP4
PRELIMINARYP4
ACCESSHATCH
100/1PROPOSED ROOF PLANSCALE 1:50
18 L
EXH
AM M
EWS
16 L
EXH
AM M
EWS
1 2
WHERE EXISTING / NEW TIMBER JOISTS SPAN PARALLEL TO WALLS. 30 x 5GALVANISED MILD STEEL STRAPS ARE TO BE FIXED ACROSS THE SOFFIT OF ATLEAST 3 No JOISTS WITH SOLID TIMBER BLOCKING BETWEEN AT 1.2 MMAXIMUM CENTRES. STRAPS TO BE AT LEAST 1400mm LONG O/A, BENT1000x400mm AND RESIN FIXED TO EXISTING WALLS. TIMBERS TO BE NOTCHEDFOR STRAPS IF REQUIRED.
NEW ROOF JOISTS50 x 200 dp C22 GRADE
@300 Ctrs
A
B
NEW VELUXSKYLIGHT
VOID
NEW VELUXSKYLIGHT
ARCHITECT:
CLIENT:
SCALE @ A3 PROJECT No: DWG No:
NOTES
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
17 LEXHAM MEWS
PROPOSED ROOF PLAN
1:50 23405 A3/104PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1
PRELIMINARYP2
PRELIMINARYP3
PRELIMINARYP4
PRELIMINARYP4
NEW REARUNDERPINNING
RC WALL
105/2 TYPICAL SECTION THROUGHREAR UNDERPINNING WALLSECTIONSCALE 1:50
350
H20 @ 150c/cVERTICALLY EF
H10 @ 200c/cHORIZONTALLY EF
H20-U-BARS@ 150c/c
H20 DISTRIBUTIONBARS @ 150c/c
50 COVER
CL
3810
H20 @ 150c/cTOP AND BOTTOMBOTH WAYS
1950
350
A
FFL = -0.00
SSL = -3.50
EXISTING BRICK MASONARY PARTYWALL / NEW RETAINING WALL
DELTA-PT WATERPROOF TANKING MEMBRANE. THEVENTILATED MEMBRANE IS WATERTIGHT RESISTANT TO HIGH& LOW PRESSURE LIQUID EXTREMES (FLOODING) AND ALSOACIDS AND ALKALIS. THE MEMBRANE IS FIXED DIRECTLY TOTHE MASONRY WALL USING SEALED PLUGS. THE MEMBRANEIS BOTH WATER RESISTANT AND HAS A HIGH RESISTANCE TOTHE TRANSMISSION OF WATER VAPOUR. ALL BY OTHERS
PLASTER BOARD IS DOT AND DABBEDDIRECTLY ONTO DELTA-PT MESH
RIGID INSULATION BOARD AS ADVISED BYARCHITECT
GREEN PLASTER BOARD FINISH TO ACT ASFINAL BARRIER TO ANY WATER INGRESS
100/A - DETAILWATER RESILIENCE TECHNIQUES IN WALLCONSTRUCTION. INDICATIVE ONLYSCALE NTS
300Thk. RC SLAB WITHREBAR TOP ANDBOTTOM
DELTA-FM WATERPROOFMEMBRANE TO CREATEWATER RESISTANT SEALWITHDELTA-PT WALL MEMBRANE
WPB PLYWOOD ASRECOMMENDED BYARCHITECT
WOOD FLOORING
100/B - DETAILWATER RESILIENCE TECHNIQUES IN FLOORCONSTRUCTION. INDICATIVE ONLYSCALE NTS
NEW 300Thk. L-SHAPED RCUNDERPINS CAST IN SEQUENCE
AS SHOWN ON PLAN
NEW 350Thk. RCGROUND SLAB WITH
REINFORCEMENT
350
350
75mm NON SHRINKDRY-PACK
EXISTING CORBEL TOBE CUT-BACK
LEVEL =-0.8LEVEL=-0.8
21
SSL = -3.50
FFL = 0.00
H20 @ 150c/c H10 @ 200c/c
H20-U-BARS@ 150c/c
H20 @ 150c/cTOP AND BOTTOM
50 COVER
105/1 TYPICAL SECTIONTHROUGHUNDERPINNING WALLSSECTIONSCALE 1:50
CLCL
CLCL
NUMBER 16NUMBER 18
EXISTING PARTY WALL EXISTING PARTY WALL
800m
mN
O C
ELLA
R O
N T
HIS
SID
E
NUMBER 17.
NEW 350Thk. RC BASEMENTSLAB ON 50mm BLINDING ON150 mm HARCORE
NO
CEL
LAR
ON
TH
IS S
IDE
H16 DOWEL BARSAT 300c/c
H16 DOWEL BARSAT 300c/c
H20 @ 150c/c
75mm NON SHRINKDRY-PACK
EXISTING CORBEL TOBE CUT-BACK
50 COVER
H20-U-BARS@ 150c/c
H10 @ 200c/c
ARCHITECT:
CLIENT:
SCALE @ A3 PROJECT No: DWG No:
NOTES
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
17 LEXHAM MEWS
FOUNDATION SECTIONS
1:50 23405 A3/105PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1
PRELIMINARYP2
PRELIMINARYP3
PRELIMINARYP4
PRELIMINARYP5
203 UC 71+100 x 100 EA 8W/TH M12 BOLTS @ 400 CtrsGRADE 8.8
120
120
120
EXISTING MASONRY WALL
SSL AT GROUND LEVEL
2
SSL AT GROUND LEVEL
46 ComFlor® 46
SSL AT GROUND LEVEL
106/01 - SECTION THROUGH BEAMSCALE 1:10
106/02 - SECTION THROUGH GROUNDFLOOR SLABSCALE 1:10
106/03 - SECTION AT SLAB AND EXISTINGMASONRY WALLSCALE 1:10
ComFlor® 46
46INSITU CONCRETE WITHA142 GALVANIZED MESH
INSITU CONCRETE WITHA142 GALVANIZED MESH
USE MANUF' STOP END DETAIL25mm FLEXCELL SOFT JOINTBONDED TO EXISTINGBRICKWORK
215
20x20 THIOFLEX SEALANT
50
100mm BEARING
ARCHITECT:
CLIENT:
SCALE @ A3 PROJECT No: DWG No:
NOTES
1. THE COPYRIGHT OF THIS DRAWING IS VESTED IN STRUCTURALWORKS AND IT MAY NOT BE REPRODUCED IN WHOLE OR PART ORUSED FOR THE MANUFACTURE OF ANY ARTICLE WITHOUT THEEXPRESS PERMISSION OF THE COPYRIGHT HOLDERS.2. WORK TO FIGURED DIMENSIONS ONLY.3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALLRELEVANT ARCHITECT'S, SERVICE ENGINEER'S AND STRUCTURALWORKS DRAWINGS AND SPECIFICATIONS.4. CONCRETE GRADE TO BE 40.5. STRUCTURAL STEELWORK GRADE 43A5. FOUNDATIONS HAVE BEEN DESIGNED TO IMPOSE A BEARINGPRESSURE OF 100KN/M2 ON LONDON CLAY AND 150 ON SAND ANDGRAVEL AT THE DEPTHS SHOWN. ANY ADDITIONAL SHALL BEREPLACED WITH A NOMINAL 1:8 MIX CONCRETE BUT IN THE EVENTOF EXTENSIVE ADDITIONAL EXCAVATION BEING REQUIRED THEENGINEER MUST BE INFORMED IMMEDIATELY AND FRESHINSTRUCTION REQUIRED.6. ARCHITECT IS RESPONSIBLE FOR ALL DRAINAGE/TANKING.7.ALL STEELWORK PAINTED WITH 1 COAT OF RED OXIDE AT THEFABRICATION WORKS AND 1 COAT ON SITE AFTER ERECTION.EACHCOAT WITHA DRY FILM THICKNESS OF NOT MORE THAN 50 MICRONS.ANY STEELWORK ENCASED IN CONCRETE SHALL BE UNPAINTED.8.PROVIDE MIN. 1 HR FIRE PROTECTION TO ALL STEELWORK.9. ALL NEW STRUCTURAL TIMBERS TO BE GRADE C16 TO BS5268UNLESS NOTED OTHERWISE AND SHALL BE TREATED WITH ANAPPROVED PRESERVATIVE INCLUDING CUT ENDS AND NOTCHES.10.ALL BOTLS TO BE GRADE 8.8 BOLTS UNLESS NOTED OTHERWISE.
17 LEXHAM MEWS
GROUND FLOOR DETAILS
1:50 23405 A3/106PRELIMINARY
REVDRNBY
APPBY
ISSUEDATE
AMENDMENT
P1
PRELIMINARYP2
PRELIMINARYP3