NOTES
Py
CONSTRUCTION SHALL BE COMPLETED OURING LOW FLOW. ALL REPAIRS
ARE TO BE PERFORMED IN THE DRY.
THE REPAIR LOCATIONS HAVE BEEN O€ TAILED FROM LIMITED FIELD
INVESTIGATIONS AND MAY NOT ACCURATELY REFLECT acTuat FIELD
CONDITIONS. ESTIMATED QUANTITIES ARE BAaSEO ON ALL REPAIRS AS
CONCRETE REPAIR. CLASS Tl. (ITEM $12.02). aN ESTIMATED
QUANTITY OF CONCRETE REPAIR CLASS [ (ITEM 512.01) HAS BEEN
INCLUDED IF NEEDED.
THE CONTRACTOR AND ENGINEER SHALL JOINTLY INSPECT ANO SOUND
THE CONCRETE AREAS TO BE REPAIRED WITH A HAMMER TO OE TERMINE
THE LIMITS OF WORK. ALL ACCESS FOR INSPECTION TO BE PROVIDED
BY THE CONTRACTOR AND THE COST WILi BE SUBSIOIARY TO ITEM
942.02.
ALL AREAS OF PREPARATION FOR CONCRETE REPAIR SHALL BE REPAIRED
WITH 1TEM 520.0201 CONCRETE CLASS 4A. ABOVE FOOTINGS. {UNLESS
NOTEO OTHERWISE}.
BASED ON FIELD CONDITIONS. 17 18 ANTICIPATEO THAT ALL EXISTING
REINFORCING STEEL WILL BE RETAINCO. AN ESTIMATED QUANTITY OF
1TEM 544.161. REINFORCING STEEL HAS BEEN INCLUDED IF IT 1S
DETERMINED DURING THE WORK THAT THE EXISTING BARS NEED TO BE
REPLACED OR ADDITIONAL BARS ARE ADDED aS DIRECTED BY THE
ENGINEER.
WATER DIVERSION AND EROSION CONTROL METHOOS SHALL BE
DETERMINED BY THE CONTRACTOR. THE WATER DIVERSION AND EROSION
CONTROL SHOWN 1S FOR INFORMATIONAL PURPOSES ONLY.
THE CITY OF NASHUA WILL PROVIDE FLOW OEPTH INFORMATION IN THE
BASE BIO PACKACE BOOKLET.
PER NHDGT STANDARD SPECIFICATIONS FOR ROAD ANO BRIOCE
CONSTRUCTION SECTION 503.3.%.2. THE CONTRACTOR SHALL SUBMIT
ORAWINGS SHOWING MATERIALS 10 BE USEO. PROPOSED METHOD OF
CONSTRUCTION. AND OTHER DETAILS LEFT OPEN TO CHOICE OR NOT
FULLY SHOWN ON THE PLANS. WHEN COFFEROAMS ARE REQUIRED OR
PROPOSED. SUCH INFORMATION SHALL SHOW THE ARRANGEMENT FOR
FLOODING THE COFFEADAM,
THE CONTRACTOR SHALL PREPARE 4NOD SUBMIT ERDSION CONTROL PLANS.
EROSION CONTROL PLANS SHALL FOLLOW BEST MANAGEMENT PRACTICES.
PLANS SHALL BE REVIEWED AND APPROVEO BY THE ENGINEER PRIOR TO
ANY WORK ON SITE. THE CONTRACTOR SHALL 8E RESPONSIBLE FOR
AMENOING THE WETLAND PERMIT JF THE WETLAND IMPACTS EXCEEO THE
AMOUNT SHOWN.
EROSION CONTROL PLANS SHALL INCLUGE DEWATERING. WATER
QISCHARGE. TURBIDITY. SEDIMENT CONTROL. ANO INSTALLATION AND
REMOVAL OF COFFEROAMS ANO/OR WATER DIVERSION.
+ WEEP HOLE SHALL BE PLACED INSIDE THE EXISTING 6° @ HOLE. SEE
SHEET 4 FOR WEEP HOLE NOTES AND SECTION Ana.
THE MAXIMUM CONCRETE REMOVAL DEPTH SHALL BE 3°-4" FROM THE
FACE OF THE ABUTMENT FOR THE PREPERATION FOR CONCRETE REPAIR.
CLASS I] AREA WHERE THE PROPOSED WEEP HOLEIS LOCATED.
TEMPORARY SANDBAGS
TITEM 503.1) WATER
DIVERSION STRUCTURES
{SEE NOTE 6)
LEGEND
Sida
TEMPORSRY WETLAND STREAMBEO
IMPACTS 1370 SF tR3UB1.3)
PREPARATION FOR CONCRETE
sestses REPAIR. CLASS It CITEM 512.02}
(UNLESS NOTED OTHERWISE )
EXISTING
ARCH
EXISTING
ABUTMENT
eet . ey, be a cs » bo eo e . fo i
= = "ws . A 5 2 ‘ , 5
é gor
* iS * EBS
t F tol Ly o 21328
£ » ~ fi | bed ba EXISTING
‘ K De KI wif ja fesse / GROUND
{ * ¥. |
* noe a bags
6-6 1 1-6 PPROXIVATE WEEP HOLE
——SUOCATION (SEE NOTE 11)
see nore iz /
$4’ -4" FACE TO FACE OF SPANOREL WALL
EAST ABUTMENT ELEVATION
SCALE: 'q™ 2 4'-0"
ve
EXISTING ABUTMENT
APPROVED:
Fe
CHECKEO:
SF
DESIGNED:
—Ke
DATE [REMSION
KO.
CLE TABLE ZV TNA AL LZ a
PIER PLAN
SCALE: ‘44° = 1°-07
EXISTING
ARCH
NASHUA RIVER
A use
—— PREPARATION FOR
CONCRETE REPAIR.
CLASS IE EXISTING PIER
7 Fa
7
EXISTING
PIER
3‘ -6*
a’-8"
vt
54/74" FACE TO FACE OF SPANDAEL WALL
WEST PIER ELEVATION
SCALE: '4q" = 1'-0"
EXISTING
ARCH
EXISTING
PIER
4 "i 1 a 4 “ a 4 4 4
4 a ES & e a e 4 Es a &
2'-6"
Z 0
=> ?
54°~4" FACE TO FACE OF SPANDREL WALL
EAST PIER ELEVATION
SCALE: vg" = 17-0"
CITY OF NASHUA
DIVISION OF PUBLIC WORKS
9 RIVERSIDE STREET
NASHUA, NH 03062
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FEBRUARY,
702? 3
