Town Center L1B3-LR 980908 Geotechni_cal
il- --- · Construction
REPORT OF CONCRETE COMPRESSION TEST
TESTED FOR: MIKE MORGAN PROJECT: COPPELL TOWN CENTER
LEE LEWIS CONSTRUCTION COPPEL, TX
16660 NORTH DALLAS PARKWAY
DALLieS, TX 75248
DATE: September 08, 1998 OUR REPORT NO.: 341-80053-32
FIELD DATA:
LOCATION OF PLACEMENT PAVING
60' NORTH X 30' WEST OF NORTHWEST CORNER PAD
DATE PLACED September 01, 1998 SUPPLIER REDI-MIX
TIME 03: 15 am DELIVERY TICKET NO./TRUCK NO. 52089
SLUMP, IN. 5 MIX NUMBER AND PROPORTIONS 91 0
AIR CONTENT, % 4.8 CEMENT
AIR TEMPERATURE, °F 7 7 WATER
CONCRETE TEMPERATURE, °F 9 0 FINE AGGREGATE
DATE RECEIVED IN LAB September 02, 1998 COARSE AGGREGATE
FIELD DATA SUBMITTED BY PS I \ FLOYD Pz~LMER ADMIXTURE
MIX DATA SUBMITTED BY REDI-MIX
COMPRESSION TEST RESULTS
ASTM C39~34
SPECIMEN TEST TOTAL CYLINDER CYLINDER COMPRESSIVE I
LABORATORY IDENTIFICATIOI~ AGE DATE OF LOAD DIAMETER AREA STRENGTH =
NUMBER OR SET NO. (DAYS) TEST (LBS.) (IN.) (SQ. IN.) (PSI) [ TYPE OF BREAK
424 A 7 09/08/98 86000 5.92 27.53 3120 Cone
424 B 28 09/29/98 ~
424 C 28 · 09/29/98
424 D H ~ HOU~ i
~
SPECIFICATIONS
28 ' 4000
Cylinders picked up by PSi Tesl results comply with applicable
REMARKS: X Cylinders made by PSI represenlafive.X representative, specifications.
Cylinders made by Architect's or Test results do not comply with
ContracloCs representative Cylinders delivered to PSI laborator/, applicable specifications.
TECHNICIAN: FLOYD PALMER Respectfully submitted,
Professional Service Industries, Inc.
THESE TEST RESULTS APPLY ONLY TO THE SPECIFIC SAMPLES TESTED AND MAY NOT BE INOICATIV~ OF THE ENTIRE CONCRETE PLACEMENT.
REPORTS MAY NOT BE REPROO~JCEO, EXCEPT IN FULL. WITHOUT WRITTEN PERMISSION BY PROFESSIONAL B~E INOO~TRIES, INC.
Information To Build On
PSi A-200-4 (4)F PSI · 4087 Shilling Way · Dallas, TX 75237 · Phone 214/330-9211 · Fax 214/333-2853
Information
.To Build On
REPORT OF CONCRETE COMPRESSION TEST
TESTED FOR: MIKE MORGAN PROJECT: COPPELL TOWN CENTER
LEE LEWIS CONSTRUCTION COPPEL, TX
16660 NORTH DALLAS PARKWAY
DALLAS, TX 75248
REVISION
DATE: September 08, 1998 OUR REPORT NO.: 341-80053-34
FIELD DATA:
LOCATION OF PLACEMENT PAVING
60' NORTH X 25' WEST OF SOUTHWEST CORNER PAD
DATE PLACED Septentber 01, 1998 SUPPLIER REDI-MIX
TIME 07: 05 am DELIVERY TICKET NO./TRUCK NO. 52110
SLUMP, IN. 5 1/2 MIX NUMBERAND PROPORTIONS 910
AIR CONTENT, % 4.7 CEMENT - - -
AIR TEMPERATURE, °F 8 0 WATER - - -
CONCRETE TEMPERATURE. °F 8 7 FINE AGGREGATE - - -
DATE RECEIVED IN LAB September 02, 1 998 COARSE AGGREGATE - - -
FIELD DATA SUBMITTED BY PSI \FLOYD P~T_,HER ADMIXTURE - - -
MIX DATA SUBMITTED BY REDI -MIX
NQ]:~F.;~P~P~ ~ ~~ S ~ ~50THE RW1 SE. !NDI C/u-EDLSLUJ~IPJ_ C 14 $-90~ILAIR (~ONTENT; C231_-~1~); TEMPERA'['URE: Cl 0~.4-~6(9:~); CAPPING:_GIZ:)I-gL --~ -'~n~--"i ~L---:- -- ----_~7 -
COMPRESSION TEST RESULTS
ASTM C39-94
I ' TOTAL : CYLINDER : CYLINDER !, COMPRESSIVE i
SPECIMEN ~ TEST
LABORATORY IDENTIFICATIONI AGE DATE OF LOAD DIAMETER , AREA STRENGTH ·
NUMBER OR SETNO. ' (DAYS) ; TEST (LBS.) (IN.) (SQ. IN.) (PSI) TYPE OF BREAK
426 A 7 ; 09/08/98 82000 5.92 27.53 2980 Cone
426 B 28 '; 09/29/98 95000 6.00 28.27 3360 Cone
426 C 28 ! 09/29/98 94000 6.00 28.27 3330 Cone
426 D 56 10/27/98 111000 6.00 28.27 3930 Cone
, SPECIFICATIONS
: ; 28 ; 4000
Cylinders picked up by PSi Test results comply with applicable
REMARKS: _X_ Cylinders made by PSI representative. X represenlafive, specif'h:ations.
Cylinders made by Architecl's or Test results do not comply with
_ _ ContractoCs representative. __. Cylinders delivered to PSI laboratory, applicable specifications.
TECHNICIAN: FLOYD PALMER Respectfully submitted,
Professional Service Industries, Inc.
THE~E TEST RE~ULT~ AP~t.Y ONLY TO THE SPECIFIC SAMPLES TESTED AND MAY NOT BE INDICATIVE OF THE ENTIRE CONCRETE PLACEMENT.
REPORTS MAY NOT BE R~RODUCED EXCEPT IN FULL WITHOUT WRII'rEN PERt, aBE ON BY P~OFE$$1ONAL S~RV1CE INDUSTRIES, INC.
ps, A-20o-4 (4)F Professional Service Industries, Inc. · 4087 Shilling Way · Dallas, TX 75237 · Phone 214/330-9211 * Fax 214/263-2612
Information
° Build On
REPORT OF CONCRETE COMPRESSION TEST
TESTED FOR: MIKE MORGA/~ PROJECT: COPPELL TOWN CENTER
LEE LEWIS CONSTRUCTION COPPEL, TX
16660 NORTH DALLAS PARKWAY
DALLAS, TX 75248
REVISION #2
DATE: Septen%ber 08, 1998 OUR REPORT NO.: 341-80053-32
FIELD DATA:
LOCATION OF PLACEMENT PAVING
60' NORTH X 30' WEST OF NORTHWEST CORNER PAD
DATE PLACED September 01, 1998 SUPPLIER REDI-MIX
TIME 0 3: 1 5 am DELIVERY TICKET NO./TRUCK NO. 5 2 0 8 9
SLUMP, IN. 5 MIX NUMBER AND PROPORTIONS 9 1 0
AIR CONTENT, % 4.8 CEMENT - - -
AIR TEMPERATURE, °F 7 7 WATER - - -
CONCRETE TEMPERATURE, °F 9 0 FINE AGGREGATE - - -
DATE RECEIVED IN LAB September 02, 1998 COARSE AGGREGATE -- -
FIELD DATA SUBMITTED BY PS I \ FLOYD P..zL[~ER ADMIXTURE - - -
MIX DATA SUBMITTED BY REDI -MIX
N(:~ITr. LA[%~,~TM 8TA~II~AI~ENLE.8~ OTHER1MSE INIDJG~EOLS~UM~ LC1_4 ~I:90a;.AIR CQN'rENT LG2;31.~.1 b;. ~EMPEfM~TURE: _G.10~L~_i~);. _ .C.~J~_ IN~; ~:.12;1_1 -~3 ........................
COMPRESSION TEST RESULTS
ASTM C39-94
SPECIMEN ; TEST TOTAL CYLINDER CYLINDER · COMPRESSIVE.
: LABORATORY : IDENTIFICATION AGE DATE OF LOAD DIAMETER AREA ; STRENGTH
;. NUMBER OR SET NO. i (DAYS) TEST (LBS.) (IN.) (SQ IN.) (PSI) TYPE OF BREAK
424 . A 7 09/08/98 86000 5.92 27.53 3120 Cone
424 B 28 09/29/98 106000 6.00 28.27 3750 Cone
424 C 28 09/29/98 105000 6.00 28.27 3710 Cone
424 :' D 56 10/27/98 125000 6.00 28.27 4420 Cone
I SPECIFICATIONS ' ,
28 ; 4000
Cylinders picked up by PSI Test results comply with applicable
REMARKS: X_ Cylinders made by PSI representative. X represefltative, specifications.
Cylinders made by Architect's or Test results do nol comply wilh
Contractors representative Cylindem delivered to PSI laborato~,. X applicable specifications.
TECHNICIA/~: FLOYD PALMER Respectfully submitted,
Professional Service Industries, Inc.
Professional Service Industries, Inc. · 4087 Shilling Way * Dallas, TX 75237 · Phone 214/330-9211 · Fax 214/263-2612
Information
.To Build On
REPORT OF CONCRETE COMPRESSION TEST
TESTED FOR: MZ~ MORG~ PROJECT: COPPET.T, TO~ C]ZNTER
LEE LEWIS CONSTRUCTION COPPEL, TX
16660 NORTH DALLAS PARKWAY
DALLAS, TX 75248
REVISION #2
DATE: September 08, 1998 - OUR REPORT NO.: 341-80053-33
FIELD DATA:
LOCATION OF PLACEMENT PAVING
180' NORTH X 25' WEST OF SOUTHWEST CORNER PAD
DATE PLACED September 01, 1998 SUPPLIER REDI-MIX
TIME 05: 10 am DEL~/ER¥ T)CKET NO/TRUCK NO. 52099
SLUMP. )N. 5 1/2 MIX NUMBER AND PROPORTIONS 910
AIR CONTENT, % 4.7 CEMENT - - -
AIR TEMPERATURE, °F 7 8 WATER - - -
CONCRETE TEMPERATURE, °F 8 8 FINE AGGREGATE - - -
DATE RECEIVED IN ~B September 02, 1998 COARSE AGGREGATE - --
FIELD DATA SUBMITTED BY PS I \ FLOYD PALMER ADMIXTURE - - -
MIX DATA SUBMITTED BY REDI-MIX
~~A~TM BTANQ/j~.UNLE~ OTHERWISE INDfC..,~TED LJ~I.U.M~_LC:I Jl3-1~0il; AmR CONTENT: C23 t-~l b; _'r EMPERATUR E:_~: 1 ~4~(g3);_C/~pING;. C1231-93 .................
COMPRESSION TEST RESULTS
ASTM C39-94
I SPECIMEN TEST TOTAL ~ CYLINDER CYLINDER COMPRESSIVE ~
! LABORATORY IDENTIFICATION: AGE DATE OF LOAD DIAMETER AREA STRENGTH
NUMBER OR SET NO. ; (DAYS) TEST (LBS.) (IN) (SQ. IN.) (PSI) : TYPE OF BREAK
425 . A 7 09/08/98 92000 5.92 27.53 ' 3340 Cone
425 B 28 09/29/98 108000 6.00 28.27 . 3820 Cone
425 C 28 09/29/98 109000 6.00 28.27 · 3860 Cone
425 D 56 10/27/98 133000 6.00 28.27 4700 : Cone
SPECIFICATIONS ;. :
28 4000 I :
Cylinders picked up by PSI Test results comply with applicable
REMARKS: X_ Cylinders made by PSI representative. X representative, specifications.
Cylindem made by Architect's or Test reluite do not comply with
. _ Contractor's mlxesentativ®. Cylinders delivered to PSI let)orator/. X_ applicable specifications.
TECHNICIA~T: FLOYD PALMER Respectfully submitted,
Professional Service Industries, Inc.
TI.IF-SE TEST RESUI.TS APPI.y ONLY TO THE SPECIFIC SAMPLES TESTED AND MAY NOT BE INDICATIVE OF THE ENTIRE CONCRETE Pt. ACEMENT.
PS1 A.200-4 (4)F Professional Service Industries, Inc. · 4087 Shilling Way · Dallas, TX 75237 * Phone 214/330-9211 * Fax 214/263-2612
Geotechn.ir. al
Construction
REPORT OF CONCRETE COMPRESSION TEST
TESTED FOR: MIKE MORGAN PROJECT: COPPELL TOWN CENTER
LEE LEWIS CONSTRUCTION COPPEL, TX
16660 NORTH DALLAS PARKWAY
DALL4~S, TX 75248
DATE: September 08, 1998 OUR REPORT NO.: 341-80053-33
FIELD DATA:
LOCATION OF PLACEMENT PAVING
180' NORTH X 25' WEST OF SOUTHWEST CORNER PAD
DATE PLACED September 01, 1998 SUPPLIER REDI-MIX
TIME 05: 10 am DELIVERY TICKET NO./TRUCK NO. 52099
SLUMP, IN. 5 1/2 MIX NUMBER AND PROPORTIONS 910
AIR CONTENT, % 4.7 CEMENT - - -
AIR TEMPERATURE, °F 78 WATER - - -
CONCRETE TEMPERATURE, °F 88 FINE AGGREGATE - - -
DATE RECEIVED IN LAB September 02, 1998 COARSE AGGREGATE -- -
FIELD DATA SUBMITTED BY PSI \FLOYD PALMER ADMIXTURE - - -
MIX DATA SUBMITTED BY RED I - MIX
COMPRESSION TEST RESULTS
ASTM C39-94
SPECIMEN TEST i TOTAL CYLINDER CYLINDER COMPRESSIVE
lABORATORY 'IDENTIFICATIONi AGE DATE OF ~. LOAD DIAMETER AREA STRENGTH
NUMBER OR SET NO. (DAYS) TEST i [LBS.) (IN.) (SQ. IN.) {PSI) TYPE OF BREAK
425 A 7 09/08/98 92000 5.92 27.53 i 3340 Cone
425 B 28 09/29/98
425 C 28 09/29/98
SPECIFICATIONS
/ 28 i 4000 i '
..................................................................................................................L
Cylinders picked up by PSI Test results comply with applicable
REMARKS: X. Cylinders made by PSI representative. X__ represenlative. .. _.specifications
Cylinders made by Architecrs or Test results do not comply with
__ Contractors representative. Cylinders delivered to PSI laboratory. . ._applicable specifications.
TECHNICIAN: FLOYD PALMER Respectfully submitted,
Professional Service Industries, Inc.
THESE TEST RESULTS APPLY ONLY TO THE SPECIFIC SAMPLES TESTED AND MAY NOT BE IHOICATIVE OF THE ENTIRE CONCRETE Pt.ACEMENT.
REPORTS MAy NOT BE REPRODUCED. EXCEPT IN FULL. WITHOUT WRITTEN PERMISSION BY PROFESSIONAL SERVICE INDUSTRIES. INC.
Information To Build On
PSI A-200-4 (4)F PSI · 4087 Shilling Way · Dallas, TX 75237 · Phone 214/330-9211 · Fax 214/333-2853
REPORT OF CONCRETE COMPRESSION TEST
TESTED FOR: MIKE MORGAN PROJECT: COPPELL TOWN CENTER
LEE LEWIS CONSTRUCTION COPPEL, TX
16660 NORTH DALLAS Di~RKWAY
DALLAS, TX 75248
DATE: September 08, 1998 OUR REPORT NO.: 341-80053-30
FIELD DATA:
LOCATION OF PLACEMENT SLAB
35' NORTh[ X 25' WEST OF SOUT~IEAST CORNER OF SLAB
DATE PLACED August 28, 1998 SUPPLIER REDI-MIX
TIME 04: 30 am DELIVERY TICKET NO./'I'RUCK NO. 106199
SLUMP. IN. 5 1/4 MIX NUMBER AND PROPORTIONS 718
AIR CONTENT, % - - - CEMENT - - -
AIR TEMPERATURE, °F 8 3 WATER - - -
CONCRETE TEMPERATURE, °F 8 9 FINE AGGREGATE - - -
DATE RECEIVED IN LAB August 2 9, 1 9 9 8 COARSE AGGREGATE - - -
FIELD DATA SUBMITTED BY PS I \ FLOYD PALMER ADMIXTURE - - -
MIX DATA SUBMITI'ED BY REDI-MIX
COMPRESSION TEST RESULTS
ASTM C39-94
~ SPECIMEN TEST TOTAL CYLINDER CYLINDER COMPRESSIVE .
LABORATORY IDENTIFICATION AGE DATE OF LOAD DIAMETER AREA STRENGTH
NUMBER OR SET NO. {DAYS) TEST (LBS.) (IN.) (SQ IN.) (PSI) , TYPE OF BREAK
404 A 7 09/04/98 75000 6.00 28.27 2650 Cone
404 B 28 09/25/98 ~
404 C 28 09/25/98 I
404 D H HOLD
SPECIFICATIONS i
28 3000
Cylinders picked up by PSI Test result, comply with applicable
REMARKS: .X_ Cylinders made by PSI representalive. _X_ representative. __ specifications.
Cylinders made by Architect's or Test results do not comply with
._ Conlractm's representative. __ Cylinders delivered to PSI laboralor~. _ applicable specifications.
TECHNICIAN: FLOYD PALMER Respectfully submitted,
Professional Service Industries, Inc.
THESE TEST RESULTS AI:~I.y ONLY TO THE SPECIFIC SAMPLE8 TESTED AN~ MAY NOT BE INDICATIVE OF THE ENTIRE CONCRETE PLACEMENT.
REPORTS MAy NOT BE REPRODUCED. EXCEPT IN FULL. ~MTHOUT ~I;~ITTEN PERMISSION BY PROFESSIONAL SERVICE INDUSTRIES. INC.
Information To Build On
PSI A-200-4 (4)F PSI · 4087 Shilling Way · Dallas, TX 75237 · Phone 214/330-9211 · Fax 214/333-2853
Information
.To Build On
E.L' ~m,mytY~ · O.::m-t" ... · ~
REPORT OF CONCRETE COMPRESSION TEST
TESTED FOR: MIKE MORGAN PROJECT: COPPELL TOWN CENTER
LEE LEWIS CONSTRUCTION COPPEL, TX
16660 NORTH DALLAS PARKWAY
DALLAS, TX 75248
REVISION #1
DA/E: September 08, 1998 OUR REPORI NO.: 341-80053-30
FIELD DATA:
LOCATION OF PLACEMENT SLAB
35' NORTH X 25' WEST OF SOUTHEAST CORNER OF SLAB
DATE PLACED August 28, 1998 SUPPLIER REDI-MIX
TIME 04: 30 am DELIVERY TICKET NO./TRUCK NO. 106199
SLUMP, IN. 5 1/4 MIX NUMBERAND PROPORTIONS 718
AIR CONTENT, °,4 - - - CEMENT
AIR TEMPERATURE, °F 8 3 WATER
CONCRETE TEMPERATURE, °F 8 9 FINE AGGREGATE
DATE RECEIVED IN LAB August 2 9, 1 9 9 8 COARSE AGGREGATE
FIELD DATA SUBMll-~ED BY PS I\FLOYD PALMER ADMIXTURE
MIX DATA SUBMITTED BY REDI -MIX
_N~]'£LALa~LIGRBLE_A_ STM 8TANDA~,D~.Ui~LES_$_OTHERWI~._INDJCATED: ;LUf, IP:_C_L4:):g_Qa: AIR CQ~t'F-~TLD2:]]_-~_lb: TEI&~ERATURE: C1064-86(9~.,~JNGL~123] -93_ _ .
.......................... -- "._'. ~---' '. '-Z .... ~"
COMPRESSION TEST RESULTS
ASTM C39-94
SPECIMEN TEST ~ TOTAL CYLINDER CYLINDER COMPRESSIVE i
I LABORATORY IDENTIFICATION: AGE !~ DATE OF LOAD DIAMETER AREA STRENGTH
NUMBER OR SET NO. (DAYS) = TEST (LBS.) (IN.) (SQ. IN.) (PSI) TYPE OF BREAK
404 A 7 09/04/98 75000 6.00 28.27 2650 Cone
404 B 28 09/25/98 95000 i 6.00 28.27 3360 Cone
404 C 28 09/25/98 98000 6.00 28.27 3470 Cone
404 D H HOLD
SPECIFICATIONS
28I 3000
Cylinders picked up by PSI Te${ resuNs comply with applicable
REMARKS: X_ Cylinders made by PSI represenlative. __X. representative. _X_ specifications.
Cylinders made by Architect's or Test results do not comply with
_ Co~)lrector's representalive. Cylinders delivered to PSI laboratory, applicable speciflcabo~s.
TECHNICIAN: FLOYD P~ER Respectfully submitted,
Professional Service Industries, Inc.
THESE TEST RESULTS APPt.y ONLY TO THE SPECIFIC SAMPLES TESTED AND MAY NOT BE INDICATIVE OF THE ENTIRE CONCRETE PLACEMENT.
REPORTS MAY NOT SE REPRODUCED, EXCEPT IN FULL. WlTHOIJT '/',~ITTEN PERMISSION BY PROFESSIONAL ~ERVICE INDUSTRIES, INC.
PSI A-200-4 (4)F Professional Service Industries, Inc. · 4087 Shilling Way · Dallas, TX 75237 · Phone 214/330-9211 · Fax 214/263-2612
REPORT OF CONCRETE COMPRESSION TEST
TESTED FOR: MIKE MORGD/~T PROJECT: COPPELL TOWN CENTER
LEE LEWIS CONSTRUCTION COPPEL, TX
16660 NORTH DALLAS PARKWAY
DALLAS, TX 75248
D_A__T_E! ................. _S._e_~t__e.n~__er 08, 1998 OUR REPORT NO.: 341-80053-34
FIELD DATA:
LOCATION OF PLACEMENT DAVING
60' NORTH X 25' WEST OF SOUTHWEST CORNER PAD
DATE PLACED September 01, 1998 SUPPLIER REDI-MIX
TIME 07: 05 am DELIVERY TICKET NO./TRUCK NO. 52110
SLUMP, IN. 5 1/2 MIX NUMBER AND PROPORTIONS 910
AIR CONTENT, % 4.7 CEMENT - - -
AIR TEMPERATURE, °F 8 0 WATER - - -
CONCRETE TEMPERATURE, °F 8 7 FINE AGGREGATE - - -
DATE RECEIVED IN LAB Septentber 02, 1998 COARSE AGGREGATE - - -
FIELD DATA SUBMI'I-FED BY PS I \ FLOYD PALMER ADMIXTURE - - -
MIX DATA SUBMITTED BY REDI -MIX
N?_.~E;.A .PI?~. _~BLE AS_T~I~e~%IOA~D~.UNLE~_$ OTHERWI~ ~OJ~t.~.,D~e~.UMpj~_4~r ~0~1; AIR_ D~:~rEI~J';_C.~I 1 - 9.!.I~;~.}R~I;L~[UR E: c I[3~4_-JI~ILg:))LCAPPING;.C_I~;~ 1-93__ _
COMPRESSION TEST RESULTS
ASTM C39-94
SPECIMEN TEST : - - [ ........ J
; TOTAL CYLINDER CYLINDER COMPRESSIVE:,
LABORATORY IDENTIFICATION AGE DATE OF LOAD DIAMETER J AREA STRENGTH
. _ NUMBER OR SET NO. (BAYS) TEST (LBS.) (IN) I (SO. IN.) (PSI) TYPE OF BREAK
I
426 A 7 ~ 09/08/98 82000 5.92 I 27.53 2980 Cone
426 B i 28 109/29/98
426 C · 28 09/29/98
426 D J H ' HOLD
i i
SPECIFICATIONS J
28 , I 4000
Cylinders picked up by PSI Test results comply with applicable
REMARKS: .X_ Cylinders made by PSI representative X representative, specifications.
Cylinders made by Architect's or Tesl results do not comply with
.__ Contraoto~s repmsenlative. Cylinders delivered to PSI laboralory, applicable specifications.
TECHNICIAN: FLOYD PALMER Respectfully submitted,
Professional Service Industries, Inc.
THESE TEST RESULTS Al=PLY ONLy TO THE SP'ECIFIC SAI~4~LES TESTED AND MAY NOT BE INOICATIVE OF THE ENTI~E CONCRETE PLACEMENT.
REPORTS MAY' NOT BE REPROOUCED, EXCEPT IN FULL. IMTHOLIT WRITTEN PERMISSION BY PROFESSIONAL SERVICE INOUS'IlqlE8. INC.
Information To Build On
PSI A-2D0-4 (4)F PSI · 4087 Shilling Way · Dallas, TX 75237 · Phone 214/330-9211 · Fax 214/333-2853