al balagh trading and contracting co wll xternal plastering

8/12/2019 Al Balagh Trading and Contracting Co Wll XTERNAL PLASTERING

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METHOD STATEMENTFOR THE APPLICATION OF EXTERNAL

TRADITIONAL PLASTER

2012user

AL BALAGH TRADING & CONTRACTING CO. W.L.L.1/1/2012



AL BALAGH TRADING AND CONTRACTING CO

WLL

PO 5!DOHA!"ATAR

PH ##$$1#

PROPOSED DE%ELOPMENT OF BARAN CAMP!

PHASE 2

A1!S'PREME COMMAND B'ILDING

(AL BALAGH )OB NO. 1*/12+

(PEO )OB NO. 0$!005+

METHOD STATEMENT FOR THE

APPLICATION OF EXTERNAL

TRADITIONAL PLASTER

2



DOC'MENT NO, MS!1*/12 - 002 %ERSION A



1 PURPOSE

Purpose of this document is to clear ly explain the procedure of

appl icat ion of external plaster – decorative plaster in external

façade of the building as specified in the scope statement

!E"#$%&%O$S

• '(%E$& ) PR%*#&E E$+%$EER%$+ O""%'E

• 'O$SU(&#$& ) ,S !#R #( -#$!#S#

• 'O$&R#'&OR ) ,S #( .#(#+- &R#!%$+ #$!

'O$&R#'&%$+ 'O /((

0 #PPRO*E! ,#&ER%#( #$! #RE#S O" #PP(%'#&%O$

,ater ia l approved fo r the purpose i s CON MIX - PRE MIXPLASTER - SCRATCH COAT PLAIN MONOCOAT (SCP – M) and

in the material submittal for the color hich is approved as thecolor of administrative bui lding in the #mir iguard compound2

'on tra cto r has proposed samples match ing the co lo r ofadministrative building and consultant has f inali3ed the color and

approved the same for the application in the supreme commandbuilding as ell2 #rea of application is the complete façade of thebuilding

4 RESPO$S%.(%&%ES

SR PRO5E'& E$+%$EER #$! PRO5E'& E$+%$EER is responsible for

the proper implementat ion of correct method statement2 6#

engineer ill ensure 6# and 6# aspects as per the contractors 6#

6' policy hich is to be submitted as a separate document

PPE – Refer 'lause 10 of #pproved -SE Plan

S#"E&7 #RR#$+E,E$&S

A. Safe access and Egress to provided

B. Proper lighting to be provided

C. "ire extinguishers and f ire .lan8et has to be provided ith

each torch

D. Proper elfare to be provided

5



$



9 PRE(%,%$#R7 !E&#%(S

• #pplication is to be done ith .rush : Roller or Spray

• %f !i lut ion if re;uired <.y *olume= e can do up to 9 > ater

depending on the consistency re;uired

• Surface Preparation) Surfaces shall be sound: 'lean: dry ? free

from Oil or +rease2

• #pp lication) ,ater ia l to be thoroughly s ti rred prior to the

application2 &he application using brush or Roller re;uires lyingonto the surface: avoiding brushing out: to achieve the re;uiredfilm thic8ness per coat2 Surfaces shall be uniformly coated ? freefrom voids: blisters or pin holes2 .efore recoating previous coats

must have ade;uately cured2 #ll dirt: dust or contaminants thatfal l on the coating beteen coats sha ll be removed before

applying the next coat2 "ilm thic8ness may be chec8ed ith a etfilm gauge2

• 'oncrete surfaces) all concrete surfaces are to be applied ith a

rush coat and to be cured for to 0 days2 &he rush coat asrecommended by the manufacturer is 'O$'RE&E RUS- 'O#&@ 'R'

• Pac8ing Si3e ) A (tr 'ontainers

• Storage ? Shelf (ife) Shelf (ife of 1 ,onths in or iginal sealed

containers hen stored in dry conditions at temperatures beteen

9 ? 0A degrees2 %f stored at high temperatures: the shelf life maybe reduced2

• -ealth ? Safety) 'onmix Polymer Emulsion 'oat is $on@flammable

? is classif ied as non@ha3ardous2 /hen applying gloves should beorn2 /ash off splashes to s8in ith ater2 %f in eyes ash outith plenty of clean ater ? see8 medical attention

• &echnical Service) &he 'onmix &echnical Service !epartment is

avai lab le to assist us in the correct use of our products ? i tsresources are at your disposal entirely ithout obligation2



B /ORC%$+ ,E&-O!

CONCRETE RUSH COAT- CRC

• .#'C+ROU$! PREP#R#&%O$

&he fair@faced concrete bac8ground should be thoroughly cleaneddevoid of dust: loose part icles: ood pieces: mould oi l etc2 &hesuction in the bac8ground should be thoroughly neutral i3ed byapplying clean potable ater2 %f any chemical substance <curing

compound etc2= exists over the fair@faced concrete surfacesD itshould be mechanically removed by scrabbling or sandblasting the

ent ire sur faces before app ly ing 'onmix 'oncrete Rush 'oat<'R'=2 "ree ater on the surface should be al loed to disperse

before spraying 'R' to avoid de@bonding later on2

• ,%%$+

'R' supplied in 9A 8g bags must be mixed ith potable ateronly in a clean pl as ti c buc8e t o r a c lean : non@co rrosive :uncontaminated metal tub2 &o ensure a homogeneous and uniform

mix: an electr ic ag itator or paddle mixer must be used2 &heamount o f ater to be added is F l iters per 9A 8g bag < i2e2

approx2 1G> by eight=2 #dd the 'R' to aterD turn the contentsof the bag carefully adding smal l amounts at a t ime and st ir

f re;uently2 Once mixed a llo to stand for 9 minutes and mixagain before spraying2 $o further ater should be added to the

mix2 -ard and set plaster should not be remixed2

•

#PP(%'#&%O$&he mixed 'R' should be sprayed on to the prepared bac8groundusing a &yrolean machine or a poer pattern spray gun2 'R'should not be appl ied using a troel2 Spray an entire prepared

area and al lo some t ime for the appl ied 'R' to st i f fen beforedoubling bac82 Ensure that the applied 'R' covers the entire area

of the concrete surface area2 # rough texture is to be obtained toprovide a mechanical 8ey for the subse;uent coat of plaster2 &he

applied 'R' should be ater cured for a period of days <0@4times daily= and alloed to harden2

• SPE'%#( $O&E

"or application procedure in case of l ight eight bloc8s: concretecontaining micro sil ica: curing compound or any special additiveor building material: 8indly contact 'onmix technical departmentfor assistance2

*



DECORATIVE PLASTER SCRATCH COAT- SCP (M)

• .#'C+ROU$! PREP#R#&%O$

&he fair@faced concrete bac8ground should be thoroughly cleaned

devoid of dust: loose part icles: ood pieces: mould oi l etc2 &heconcrete bloc8s should be cleaned using a stiff brush to removeany dust or loose particles2 &he suction in the bac8ground of bothfai r@ faced concrete and b loc8 or8 should be thoroughlyneutrali3ed by applying potable ater2 "ree ater on the surface

should be alloed to disperse before applying any further coat2 %fany chemical substance <curing compound etc2= exists over the

fair@faced concrete surfacesD it should be mechanically removedby scrabbling or sandblasting the entire surfaces before applying

• P(#S&ER #''ESSOR%ES

Plaster ing accessories re;uired are corner bead and plastering

lath2 'orner bead is to be f ixed at all corners and plastering lathof 1AA H 19Amm thic8 is to be instal led on al l area here bloc8or8 intercepts a R'' fact – ei ther l intel of beam H s lab2 &he

material approved is the ma8e from Ex ,et 6atar

• ,%%$+

S'P <,= supplied in 9A 8g bags must be mixed ith potable ater

only: in a c lean p last ic buc8et o r a c lean: non@cor rosive :uncontaminated metal tub2 &o ensure a homogeneous and uniform

mix: an electr ic agitator or paddle mixer must be used2 &heamount of ater to be added is 1 l i ters per 9A 8g bag < i 2e2

approx2 4> by eight=2 #dd the S'P <,= to ater: turn thecontents of the bag carefully and stir fre;uently2 &he amount ofater added and mixing time should be constant for every batchto avoid color var iations in the f in ished product2 Once mixed

al lo to stand for 9 minutes and mix again before applying2 $ofurther ater should be added to the mix2 -ard and set plaster

should not be remixed2

• #PP(%'#&%O$

S'P <,= mixed as above is app lied in a s ingle coat onto the

prepared bac8ground up to a thic8ness of 1G mm leveled andf inished to achieve the re;uired design2 Suggested f inishes is

using plain spitt le <scraper= to achieve an uneven: semi rough:tradit ional f inish2 &he manufacturer Is demonstrat ion team shallassist in these procedures upon re;uest2

• SPE'%#( $O&ES)

S'P <,= should be applied either in one continuous operation up

to angles: features or in panels measuring not more than 19 m2'old Joints should be avoided2 &he recommendations given in .S



9B) 1FF1 should be fo lloed for decid ing the location andfixing of control Joints2 'ontrol Joints can be formed by cutting a

K*L groove in the applied plaster hen it is sti l l soft2 S'P <,= hasto be protected f rom d irect ind: sunlight and rain dur ingappl icat ion and dur ing the curing per iod by provid ing propershade netting2 S'P <,= has to be ater cured for at least days

<0@4 times daily= by applying a f ine mist spray of potable aterover the entire surface2

G #PPE$!%

MAN'FACT'RERS RECOMMENDATIONs

E34se6

10

al balagh trading and contracting co wll xternal plastering

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