10435 Downsville Pike Hagerstown MD 21740 301-766-2800
Transcript of 10435 Downsville Pike Hagerstown MD 21740 301-766-2800
10435 Downsville Pike Hagerstown MD 21740
301-766-2800
www.wcps.k12.md.us
May 22, 2015
Addendum #1
TO: All Prospective Offerors FROM: Lisa Freeman, C.P.M., Supervisor of Purchasing REF: Bid #2015-57, Claud E. Kitchens Outdoor School at Fairview Fire Tower Restoration PROPOSAL DUE DATE: Thursday, May 28, 2015 @ 2:00 p.m. local time Please note the following changes/clarifications to Bid #2015-57:
1. Question/Response from QLS 2. Question/Response from WCPS 3. Detail of expanded metal safety grating for stair treads & landings for Alt. #1 4. Pre-Bid sign in sheet 5. Updated set of drawings
Design and Construction, LLC
1673 WIND FLOWER RD.
CHAMBERSBURG, PA 17202
p:717-496-9338
f:717-496-9339
REV
NO.
DESCRIPTION
Project:
WASHINGTON COUNTY PUBLIC SCHOOLS
CLAUD E. KITCHENS OUTDOOR SCHOOL AT FAIRVIEW
FIRE TOWER RESTORATION
BID #: 2015-57
CLEAR SPRING, MD
QLS JOB NO.
SHEET NO.
C-1
Title:
REVISION
Date By
DATE:
Checked:
DRAWN:
-
10/27/14BWS
10/13/14DCM
COVER SHEET
WASHINGTON COUNTY PUBLIC SCHOOLS
CLAUD E. KITCHENS - OUTDOOR SCHOOL AT
FAIRVIEW
BID#: 2015-57
FIRE TOWER RESTORATION
12808 Draper Road
Clear Spring, MD 21722
PROJECT LOCATION
0 PRELIMINARY 10/30/14 QLS
1 BID DOCUMENTS 04/30/15 QLS
DRAWING INDEX:
C-1 - COVER SHEET
GN-1 - GENERAL NOTES/SPECIAL INSPECTIONS
1 - FIRE TOWER ISOMETRICS - ELEVATIONS
2 - FIRE TOWER DETAILS - STAIR TREADS, LANDINGS, AND GROUNDING
PROFESSIONAL CERTIFICATION: I HERBY
CERTIFY THAT THESE DOCUMENTS WERE
PREPARED OR APPROVED BY ME, AND
THAT I AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER THE
LAWS OF THE STATE OF MARYLAND,
LICENSE NO. 36390, EXPIRATION DATE:
11-09-16
2 ADDENDUM #1 05/20/15 QLS
Design and Construction, LLC
1673 WIND FLOWER RD.
CHAMBERSBURG, PA 17202
p:717-496-9338
f:717-496-9339
REV
NO.
DESCRIPTION
Project:
WASHINGTON COUNTY PUBLIC SCHOOLS
CLAUD E. KITCHENS OUTDOOR SCHOOL AT FAIRVIEW
FIRE TOWER RESTORATION
BID #: 2015-57
CLEAR SPRING, MD
QLS JOB NO.
SHEET NO.
GN-1
Title:
REVISION
Date By
DATE:
Checked:
DRAWN:
-
10/27/14BWS
10/13/14DCM
GENERAL NOTES / SPECIAL INSPECTIONS
GENERAL NOTES:
1) WORK SHALL CONFORM TO THE REQUIREMENTS OF THE 2012 INTERNATIONAL BUILDING CODE.
2) ALL CONTRACTORS ARE REQUIRED TO EXAMINE THE DRAWINGS AND SPECIFICATIONS CAREFULLY, VISIT THE SITE
AND FULLY INFORM THEMSELVES AS TO ALL EXISTING CONDITION LIMITATIONS, PRIOR TO AGREEING TO PERFORM
THE WORK. FAILURE TO VISIT THE SITE AND FAMILIARIZE THEMSELVES WITH THE EXISTING CONDITIONS AND
LIMITATION WILL IN NO WAY RELIEVE THE CONTRACTOR FROM FURNISHING ANY MATERIAL OR PERFORMING ANY
WORK IN ACCORDANCE WITH DRAWING AND SPECIFICATIONS WITHOUT ADDITIONAL COST TO THE OWNER.
3) ALL DIMENSIONS, ELEVATIONS, AND DESCRIPTIONS OF EXISTING CONDITIONS HAVE BEEN
ESTABLISHED FROM AVAILABLE DRAWINGS AND OTHER DATA AND SHALL NOT BE CONSTRUED AS FACT. THE
CONTRACTOR SHALL VERIFY EXISTING CONDITIONS BEFORE PROCEEDING.
GRAVITY LOADING:
A. DEAD LOAD:
B.
MEMBERS..................................... ACTUAL
C. LIVE LOAD:
FIRE TOWER.......................... 100 PSF
D. SNOW LOAD:
GROUND SNOW, Pg .................... 30 PSF
IMPORTANCE FACTOR, I ............. 1.0
SNOW EXPOSURE FACTOR, Ce.... 1.0
ROOF THERMAL FACTOR, Ct....... 1.2
FLAT SNOW LOAD, Pf ................ 25.2 PSF
1. LATERAL LOADING:
A. WIND LOADING:
BASIC WIND SPEED, V ............... 90 MPH
WIND IMPORTANCE FACTOR, I..... 1.0
EXPOSURE CATEGORY ............... B
TOPOGRAPHIC FACTOR, Ktz....... 1.0
ROOF ANGLE ............................. 0 - 5 DEGREES
B. SEISMIC LOADING:
SEISMIC USE GROUP ................ 1
SITE CLASS ............................... C
IMPORTANCE FACTOR ................ 1.0
SPECTRAL RESPONSE COEFFICIENTS
Ss ............................ 0.129
S1 ............................ 0.052
Fa ............................ 1.600
Fv ............................ 2.400
Sds .......................... 0.103
Sd1 .......................... 0.059
SEISMIC DESIGN CATEGORY ...... A
SEISMIC FORCE RESISTING SYSTEM STEEL ORDINARY CONCENTRICALLY BRACED FRAME (TOWER)
RESPONSE MODIFICATION FACTOR 3.25
OVERSTRENGTH FACTOR 2.5
DEFLECTION AMPLIFICATION FACTOR 3.25
DESIGN BASE SHEAR ................ 2.0 KIPS (1% OF BUILDING WEIGHT)
SEISMIC RESPONSE COEF ......... N/A
ANALYSIS PROCEDURE .............. EQUIVALENT LATERAL FORCE PROCEDURE
STRUCTURAL STEEL
1) ALL STRUCTURAL STEEL SHALL BE DESIGNED IN ACCORDANCE WITH 'SPECIFICATIONS FOR THE
DESIGN, FABRICATION, AND ERECTION OF STRUCTURAL STEEL BUILDINGS' (AISC).
2) MATERIALS:
STRUCTURAL ANGLE ...........................................ASTM A36
BOLTS ..................................................................... ASTM A325
3) ALL STEEL EXPOSED TO WEATHER SHALL BE HOT DIPPED GALVANIZED.
4) ALL STEEL MEMBERS TO BE REPLACED SHALL BE MEASURED IN THE FIELD FOR EXACT LENGTH AND HOLE
LOCATION. END FOLDS TO ALLOW FOR GALVANIZING TO PENETRATE INTO THE FOLD.
WOOD TREADS AND LANDINGS:
1) WOOD MEMBERS SHALL CONFORM TO APA STANDARD SPECIFICATIONS.
2) ALL WOOD MEMBERS TO BE TREATED SOUTHER YELLOW PINE.
3) ALL WOOD MEMBERS TO BE REPLACED SHALL BE MEASURED IN THE FIELD FOR EXACT LENGTH AND HOLE
LOCATION. HOLES TO MATCH EXISTING SUPPORT STRUCTURE.
4) BOLTS USED FOR CONNECTING WOOD MEMBERS TO STEEL SUPPORTS SHALL MEET ASTM A307. HEX NUTS SHALL
MEET ASTM A563, GR.A. LOCK WASHERS TO MEET ASTM F436. ALL CONNECTING HARDWARE SHALL BE
GALVANIZED
VERIFICATION AND INSPECTION CONTINUOUS PERIODIC IBC REFERENCE
REFERENCED
STANDARD
A. IDENTIFICATION MARKINGS TO
CONFORM TO ASTM STANDARDS
SPECIFIED IN THE APPROVED
CONSTRUCTION DOCUMENTS
B. MANUFACTURER'S CERTIFICATE OF
COMPLIANCE REQUIRED.
AISC 360,
SECTION A3.3
AND APPLICABLE
ASTM MATERIAL
STANDARDS
TABLE 1704.3
REQUIRED VERIFICATION AND INSPECTION OF STEEL CONSTRUCTION
A. SNUG-TIGHT JOINTS.
B. PRETENSIONED AND SLIP-CRITICAL JOINTS USING
TURN-OF-NUT WITH MATCHMARKING, TWIST-OFF
BOLT OR DIRECT TENSION INDICATOR METHODS OF
INSTALLATION
AISC 360,
SECTION M2.5
1704.3.3
C. PRETENSIONED AND SLIP-CRITICAL JOINTS USING
TURN-OF NUT WITHOUT MATCH MARKING OR
CALIBRATED WRENCH METHODS OF INSTALLATION.
3. MATERIAL VERIFICATION OF STRUCTURAL STEEL AND COLD-FORMED STEEL DECK:
1. MATERIAL VERIFICATION OF HIGH-STRENGTH
BOLTS, NUTS AND WASHERS:
A. FOR STRUCTURAL STEEL, IDENTIFICATION
MARKINGS CONFORM TO AISC 360
- X
AISC 360. SECTION
M5.5
B. FOR OTHER STEEL, IDENTIFICATION
MARKINGS TO CONFORM TO ASTM
STANDARDS SPECIFIED IN THE APPROVED
CONSTRUCTION DOCUMENTS.
- X
APPLICABLE ASTM
MATERIAL
STANDARDS
C. MANUFACTURER'S CERTIFIED TEST REPORTS. - X
4. MATERIAL VERIFICATION OF WELD FILLER MATERIALS:
A. IDENTIFICATION MARKINGS TO CONFORM
TO AWS SPECIFICATION IN THE APPROVED
CONSTRUCTION DOCUMENTS.
- X
AISC 360. SECTION
A3.5 AND
APPLICABLE AWS
A5 DOCUMENTS
B. MANUFACTURER'S CERTIFICATE OF
COMPLIANCE REQUIRED.
- X - -
5. INSPECTION OF WELDING:
A. STRUCTURAL STEEL AND COLD-FORMED STEEL DECK:
X -
2. MULTIPASS FILLET WELDS. X -
1. COMPLETE AND PARTIAL JOINT
PENETRATIONS GROOVE WELDS.
3. SINGLE-PASS FILLET WELDS >
5
16
" X -
4. PLUG AND SLOT WELDS. X -
5. SINGLE-PASS FILLET WELDS <
5
6
"X -
6. FLOOR AND ROOF DECK WELDS - X AWS D1.3
AWS D1.1 1704.3.1
B. REINFORCING STEEL:
- X
1. VERIFICATION OF WELDABILITY OF
REINFORCING STEEL OTHER THAN ASTM A
706
X -
2. REINFORCING STEEL RESISTING
FLEXURAL AND AXIAL FORCES IN
INTERMEDIATE AND SPECIAL MOMENT
FRAMES, AND BOUNDARY ELEMENTS OF
SPECIAL STRUCTURAL WALLS OF
CONCRETE AND SHEAR REINFORCING.
3. SHEAR REINFORCEMENT X -
4. OTHER REINFORCING - X
AWS D1.4 ACI 318:
SECTION 3.5.2
6. INSPECTION OF STEEL FRAME JOINT DETAILS FOR COMPLIANCE:
A. DETAILS SUCH AS BRACING AND STIFFENING. - X
B. MEMBER LOCATIONS. - X
C. APPLICATION OF JOINT DETAILS AT EACH
CONNECTION.
- X
- 1704.3.2
0 PRELIMINARY 10/31/14 QLS
2. INSPECTION OF HIGH-STRENGTH BOLTING:
1 BID DOCUMENTS 04/30/15 QLS
PROFESSIONAL CERTIFICATION: I HERBY
CERTIFY THAT THESE DOCUMENTS WERE
PREPARED OR APPROVED BY ME, AND
THAT I AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER THE
LAWS OF THE STATE OF MARYLAND,
LICENSE NO. 36390, EXPIRATION DATE:
11-09-16
2 ADDENDUM #1 05/20/15 QLS
5/20/2015 2:56 P
M, 24x36
Design and Construction, LLC
1673 WIND FLOWER RD.
CHAMBERSBURG, PA 17202
p:717-496-9338
f:717-496-9339
REV
NO.
DESCRIPTION
Project:
WASHINGTON COUNTY PUBLIC SCHOOLS
CLAUD E. KITCHENS OUTDOOR SCHOOL AT FAIRVIEW
FIRE TOWER RESTORATION
BID#: 2015-57
CLEAR SPRING, MD
QLS JOB NO.
SHEET NO.
1
Title:
REVISION
Date By
DATE:
Checked:
DRAWN:
-
10/27/14BWS
10/13/14DCM
FIRE TOWER ISOMETRICS - ELEVATIONS
0 PRELIMINARY 10/30/14 QLS
(W-5630) ∠2x2x
1
8
"(W-5630) ∠2x2x
1
8
" (W-5630) ∠2x2x
1
8
"(W-5630) ∠2x2x
1
8
"
(W-5150) ∠2x2x
1
8
" (W-5150) ∠2x2x
1
8
" (W-5150) ∠2x2x
1
8
"(W-5150) ∠2x2x
1
8
"
(W-207) ∠2x2x
3
16
" (W-207) ∠2x2x
3
16
" (W-207) ∠2x2x
3
16
" (W-207) ∠2x2x
3
16
"
(W-208) ∠2x2x
3
16
"
(W-208) ∠2x2x
3
16
"
(W-209) ∠2x2x
3
16
"
(W-209) ∠2x2x
3
16
"
(W-208) ∠2x2x
3
16
"
(W-208) ∠2x2x
3
16
"
(W-209) ∠2x2x
3
16
"
(W-209) ∠2x2x
3
16
"
(W-5274) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5274) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5274) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5274) ∠1
3
4
"x1
3
4
"x
1
8
"
(W-5273) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5273) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5273) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5273) ∠1
3
4
"x1
3
4
"x
1
8
"
(W-5272) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5272) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5272) ∠1
3
4
"x1
3
4
"x
1
8
" (W-5272) ∠1
3
4
"x1
3
4
"x
1
8
"
NOTES:
1. LABELED ANGLES ARE TO BE REPLACED WITH A36 GALVANIZED STEEL ANGLES. CONTRACTOR TO FIELD VERIFY DIMENSIONS.
2. EXTERIOR TOWER HARDWARE TO BE REPLACED WITH
5
8
"Øx 2" A325 BOLTS W/ LOCK WASHER AND NUT.
3. EACH LANDING BOARD HAS (3)
3
8
"Ø CARRIAGE BOLTS.
4. STAIR TREAD BOLTS TO BE REPLACED WITH
3
8
"Ø A307 CARRIAGE BOLTS WITH NUT.
5. WOOD LANDINGS HAVE A 2x10 @ MIDSPAN IN TRANSVERSE DIRECTION FOR ADDITIONAL RIGIDITY.
6. ALTERNATE #1: REPLACING WOOD TREADS AND LANDINGS WITH EXPANDED METAL (GALVANIZED).
7. ALTERNATE #2: CLEANING, PREPPING, AND PAINTING ENTIRE STRUCTURE.
STAIR 1
LANDING 1
STAIR 2
LANDING 2
STAIR 3
STAIR 4
STAIR 5
STAIR 6
STAIR 7
STAIR 8
STAIR 9
STAIR 10
STAIR 11
STAIR 12
STAIR 13
STAIR 14
STAIR 15
LANDING 3
LANDING 4
LANDING 5
LANDING 6
LANDING 7
LANDING 8
LANDING 9
LANDING 10
LANDING 11
LANDING 12
LANDING 13
LANDING 14
LANDING 15
IMPORTANT:
SHUT OFF BIRD REPELLANT SYSTEM PRIOR TO STARTING WORK AND
TURN IT BACK ON PRIOR TO LEAVING SITE EACH DAY.
(W-2000) ∠2x2x
3
16
"
(W-2000) ∠2x2x
3
16
"
(W-2000) ∠2x2x
3
16
"
(W-2000) ∠2x2x
3
16
"
1 BID DOCUMENTS 04/30/15 QLS
PROFESSIONAL CERTIFICATION: I HERBY
CERTIFY THAT THESE DOCUMENTS WERE
PREPARED OR APPROVED BY ME, AND
THAT I AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER THE
LAWS OF THE STATE OF MARYLAND,
LICENSE NO. 36390, EXPIRATION DATE:
11-09-16
NOTE: W-207 CONNECTS TO W-208 OR W-209 TO CREATE A COMPLETE DIAGONAL MEMBER
2 ADDENDUM #1 05/20/15 QLS
5/20/2015 2:55 P
M, 24x36
Design and Construction, LLC
1673 WIND FLOWER RD.
CHAMBERSBURG, PA 17202
p:717-496-9338
f:717-496-9339
REV
NO.
DESCRIPTION
Project:
WASHINGTON COUNTY PUBLIC SCHOOLS
CLAUD E. KITCHENS OUTDOOR SCHOOL AT FAIRVIEW
FIRE TOWER RESTORATION
BID#: 2015-57
CLEAR SPRING, MD
QLS JOB NO.
SHEET NO.
2
Title:
REVISION
Date By
DATE:
Checked:
DRAWN:
-
10/27/14BWS
10/13/14DCM
FIRE TOWER LAYOUT
0 PRELIMINARY 10/30/14 QLS
STRINGER
2"x10"x2'-0"± STAIR TREAD (TYP.)
EXISTING STAIR TREAD SUPPORT ANGLE
TO REMAIN
3
8
"Ø x 2
1
2
" LONG CARRIAGE BOLT (TYP. (4) PER STAIR TREAD)
3
8
" HEX NUT
AND LOCK WASHER
1"±
6"±
MECHANICAL BOND
CONDUCTOR TO STRUCTURE
MEETING UL 467 (TYP @ 4
LOCATIONS)
#2 STRANDED COPPER
WIRE CONDUCTOR
MEETING UL 467
MECHANICAL BOND
CONDUCTOR TO STRUCTURE
MEETING UL 467 (TYP @ 4
LOCATIONS)
1
2
"Ø COPPER ELECTRODE
MEETING UL 467
(LOCATE WITHIN 8 FT. OF TOWER LEG)
8' MIN.
NOTE:
INSPECT TOWER FOR EVIDENCE OF
EXISTING GROUNDING RODS.
INSTALL GROUND ELECTRODES AT ALL
TOWER LEGS.
BONDING SHALL TAKE PLACE W/ CLAMPS
SUITABLE FOR DIRECT BURIAL.
CLEAN PAINT & DEBRIS FOR METAL TO
METAL CONTACT AT BOND
DRIVE ELECTRODES INTO GROUND
IF CONDITIONS PRECLUDE THE DRIVING OF
COPPER ELECTRODES, LOOP CONDUCTORS
OR COPPER GROUND PLATES MAY BE
SUBSTITUTED, ONE FOR ONE, AND BE LAID IN
TRENCHES.
ALL MECHANICAL BOND CONNECTORS,
WIRES, AND GROUNDING RODS TO MEET UL
467
NOTE:
ALL DIMENSIONS SHOULD BE
FIELD VERIFIED BY CONTRACTOR
1 BID DOCUMENTS 04/30/15 QLS
BASE BID - WOOD PLANKS
ALTERNATE #1 - EXPANDED METAL TREADS AND
LANDINGS (GALVANIZED)
PROFESSIONAL CERTIFICATION: I HERBY
CERTIFY THAT THESE DOCUMENTS WERE
PREPARED OR APPROVED BY ME, AND
THAT I AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER THE
LAWS OF THE STATE OF MARYLAND,
LICENSE NO. 36390, EXPIRATION DATE:
11-09-16
2 ADDENDUM #1 05/20/15 QLS