Tax2014C-CS150312 CITY OF COPPELL
NEIGHBORHOOD ALLEY REPLACEMENT PROJECT No.TAX 2014C
ADDENDUM No. 1 3/9/2015
Plans and specifications for the Neighborhood Alley Replacement Project for the City of
Coppell, Texas on which bids are advertised to be received until 2:00 PM, March 12, 2015,
are hereby modified as follows:
CLARIFICATIONS:
1. Pay Item #I-8 Construct 7" Reinforced Concrete Sidewalk: updated to reflect 7" (in lieu
of 6") sidewalk crossing to match the 7" alley paving.
2. Pay Item#I-9 Construct 6"Concrete Curb: Quantity has been corrected within the
specifications to reflect 320 LF of curb.
3. Pay Item#I-10 Adjust Existing Ground Box: The word "Relocate" has been modified
to read "Adjust".
4. Pay Item#I-15 Remove and Reconstruct Curb Inlet: Sheets 15A& 18A, Storm Inlet
Piping is 18" RCP that will need to be moved 13' LF at each location. Provide and
install 13LF of 18" piping and connections in addition to moving the inlet at each
location.
5. The Bid Time (Calendar Days) has been modified from 120 days to 200 days with
the understanding that no more than 2 alleys will be under any stage of construction
at any given time and that no one alley will be under construction for longer than 21
calendar days.
6. Construction staging will be coordinated with the Construction Inspector after award of
contract.
7. The City of Coppell standard paving 3" invert profile will apply in lieu of a flat
bottom/thickened edge profile. Alley paving thickness is 7".
8. Bidders shall acknowledge receipt of Addendum No. lin the space provided in the Bid
Form and on the envelope of their bid.
ATTACHMENTS:
1. Root Barrier Detail ,..) VA
'A
2. Updated Bid Summary Sheet rikK
I ,� U
3. Updated Unit Price/Pay Item Schedule lJ�
4. Updated Pay Item Descriptions
5. Re-issued Plans Sheets 3, 15, 18
ADDENDUM#1 Bidding Documents
DRIP LINE
DRIP LINE
OF TREE fr,
\►lid_ fpx7
41,1.
EXTEND ROOBARRIER FT OR
*..% ir
LENGTH EQUAL TO 1 FT FOR
EVERY 1 INCH DIAMETER OF
TRUNK OR TO WIDTH OF DRIP
UNE, WHICHEVER IS LONGER
TO-)
- - STREET R.O.W.
0
t,�
SIDEWALK
- �-PAVEMENT-�
•
POLYPROPYLENE PLASTIC ROOT
BARRIER {DEEP ROOT MODEL UB 48-2,
OR EQUAL) OR 2000 P.S.I. CONCRETE
W/20 MIL POLYETHYLENE SHEET
.1 1+6" ROOT BARRIER SHALL EXTEND THE ENTIRE
LENGTH OF THE TREE'S DRIP UNE
TREE ROOT BARRIER DETAIL
Addendum # 1
T H E C 1 T Y • O F
COPPELL
X e o
BID SUMMARY
TOTAL BASE BID Items #I-1 THRU#I-21 $
Total Tangible Personal Property: $
TOTAL TIME BID CALENDAR DAYS
NOTE: A TIME BID OF MORE THAN 200 CALENDAR DAYS SHALL BE CONSIDERED
NONRESPONSIVE AND WILL BE REJECTED.
1. Communications concerning this Bid shall be addressed to the address of BIDDER indicated
on the applicable signature page.
2. BIDDER understands that the Owner is exempt from State Limited Sales and Use Tax on
tangible personal property to be incorporated into the project. Said taxes are not included in
the Contract Price(see Instructions to Bidders).
3. The terms used in this Bid which are defined in the General Conditions of the Construction
Contract included as part of the Contract Documents have the meanings assigned to them in
the General Conditions.
The City of Coppell reserves the right to delete any portion of this project as it may deem necessary
to stay within the City's available funds. Should the City elect to delete any portion, the contract
quantities will be adjusted accordingly.
PROPOSAL GUARANTY
➢ A Proposal Guaranty shall be provided in accordance with Item 102.5 of the Standard
Specifications for Public Works Construction — North Central Texas Council of
Governments Fourth Edition.
SUBMITTED ON
Signature:
1-23 Bidding Documents
Neighborhood Alley Replacement Project Tax 2014 C
UNIT PRICE BID SCHEDULE
BASE BID
Item Bid
No. Quantity Unit Description and Unit Price in Words Unit Price Total Price
Mobilization, Complete In Place,
I-1 1 LS •--- Dollars
and Cents
per LUMP SUM
Furnish, install, and maintain Project Signs,
Complete In Place,
1-2 7 EA Dollars
and Cents
per EACH
Prepare and Implement Traffic Control Plan,
Complete In Place,
1-3 1 LS Dollars
and Cents
per LUMP SUM
Prepare and Implement Storm Water Pollution
Prevention Plan, Complete In Place,
1-4 1 LS Dollars
and Cents
per LUMP SUM
Sawcut, Remove&Dispose of Concrete(All
Thicknesses), Complete In Place
1-5 17000 SY Dollars
and Cents
per SQUARE YARDS
Construct 7" Reinforced Concrete Paving,
Complete In Place,
1-6 17000 SY Dollars
and Cents
per SQUARE YARDS
Construct 4" Reinforced Concrete Sidewalk,
Complete In Place,
1-7 1300 SF Dollars
and Cents
per SQUARE FOOT
Construct 7" Reinforced Concrete Sidewalk,
Complete In Place,
1-8 4000 SF _Dollars
and Cents
per SQUARE FOOT
Construct 6"Concrete Curb Complete In Place,
1-9 320 LF Dollars
and Cents
per LINEAR FOOT
Adjust Existing Ground Box, Complete In Place,
1-10 5 EA Dollars
and _Cents
per EACH
1-20 Bidding Documents
UNIT PRICE BID SCHEDULE
BASE BID
Item Bid
No. Quantity Unit Description and Unit Price in Words Unit Price Total Price
Adjust Existing Valve Box to Grade, Complete In
Place,
I-11 5 EA Dollars
and Cents
per EACH
Adjust Existing Manhole to Grade, Complete In
Place,
1-12 4 EA Dollars
and Cents
per Each
Adjust Existing Grate Inlet to Grade, Complete In
Place,
1-13 3 EA Dollars
and Cents
per EACH
Remove&Replace Storm Drain Inlet Top&
Throat, Complete in Place,
1-14 9 EA Dollars
and Cents
per EACH
Remove and Reconstruct Curb Inlet& 18" RCP,
Complete In Place,
1-15 3 EA Dollars
and Cents
per EACH
Install Tree Root Barrier, Complete In Place,
1-16 70 LF Dollars
and Cents
per LINEAR FOOT
Restore Disturbed Area, Complete In Place,
1-17 1 LS Dollars
and Cents
per LUMP SUM
Repair, replace, modify and restore existing
irrigation system, Complete In Place,
1-18 1 LS Dollars
and Cents
per LUMP SUM
Remove and Reset Street Sign,Complete In
Place,
1-19 5 EA Dollars
and Cents
per EACH
Project Communication,Complete In Place,
I-20 1 LS Dollars
and Cents
per LUMP SUM
1-21 Bidding Documents
UNIT PRICE BID SCHEDULE
BASE BID
Item Bid
No. Quantity Unit Description and Unit Price in Words Unit Price Total Price
Subgrade Preparation,Complete In Place,
1-21 17000 SY Dollars
and Cents
per SQUARE YARD
1-22 Bidding Documents
2.1. Pay Item#I-7—Construct 4"Reinforced Concrete Sidewalk and
2.2. Pay Item#I-8—Construct 7"Reinforced Concrete Sidewalk:
This work includes construction of concrete sidewalks of the specified thickness at the locations
shown in the construction plans or as determined by the Engineer, in accordance with the
appropriate details and specifications. All concrete used for sidewalk shall be Class "A"
concrete with a minimum cement content of 5 sacks per cubic yard and minimum compressive
strength of 3,000 psi at 28 days. No fly ash will be permitted.
The concrete shall be doweled into the existing sidewalk where appropriate and reinforced in
accordance with the City of Coppell Standard Construction Details. The concrete trail shall be
reinforced with a minimum of No.3 bars placed on chairs on 18-inch centers in each direction.
The cost for furnishing and placing reinforcement is subsidiary to the price bid.
No greater than 1 inch of sand level up course will be allowed under the sidewalk. The surface
shall be a baker broom finish and shall be cured with a highway white curing compound applied
per the manufacturer's recommendations. Joint type and spacing shall be in accordance with
city of Coppell standard details, or as directed by the engineer. All construction, sawed, or
expansion joints shall be sealed with self-leveling silicone joint sealant.
All sidewalk construction shall be in compliance with the Texas Accessibility Act Article 9102
of the Texas Civil Statute as administered by the Texas Department of Licensing and
Regulations. Any sidewalk found to be in noncompliance shall be removed and brought to
compliance at the Contractor's sole expense.
Measurement and payment for reinforced concrete sidewalk work performed and materials
furnished completed and in place as provided herein shall be made on the basis of the price bid
per square foot(SF)in accordance with NCTCOG Item 305.2,and shall be total compensation
for furnishing and/or operating all labor, materials, tools, equipment and other incidentals
necessary to complete the work.
23. Pay Item#I-10—Adjust Existing Ground Box:
This work shall include the relocation of ground boxes as shown on the plans, or as directed by
the Engineer.
Measurement and Payment shall be made on the basis of the bid price per each(EA)and shall
be the total compensation for furnishing all labor, materials, and equipment necessary to
complete the work.
2.4. Pay Item#I-15—Remove and Reconstruct Curb Inlet and 18"RCP:
This work includes the complete removal and replacement of the entire inlet in the location
shown in the plans,or as determined by the Engineer,in accordance with the appropriate details
and specifications,including City of Coppell Standard Construction Details 6020 and 6030 and
NCTCOG Item 702. Concrete used for the construction of inlets shall be Class "A", with a
minimum cement content of 5 sacks of cement/cubic yard of concrete,and a 3,000 psi minimum
compressive strength when tested at 28 days. All inlets shall be cast in place. As a result of
relocation it is anticipated that 13LF of 18"RCP will be required at each location, as well as
connections.Price to include furnish&install.
Measurement and payment for work performed and materials furnished related to the inlet
removal and replacement, as provided herein, shall be made on the basis of the price bid per
each(EA) and shall be total compensation for furnishing and/or operating all labor, materials,
tools,equipment and other incidentals necessary to complete the work.
TAX 2014C - »ogmH2Oo ALLEY REPLACEMENT PROJECT - mm128
.[ , §
§ ! | , . . . . . . . . § / °
/ . . . . . - ) , §
pi
■ . k | § § , , , . . , . . , , , . | (
. . . ; §wt.ell
, ■ , ■ /
,
. . _ . M. -} /
»
. „ . . F \ z )
�(
' \ ` / \ 0§
. , . u o !)
%
, : : /
. . , 0
- ! ! , '!
! , . . !
R.
; , , ;
' ! !
I ? i |
. ` i' ) i / /
) ' ! ; . . ; z a.'
;
, . E. , ƒ.
064-
( ` ! , . ; \ \\
` ' ; . ; *O
( . ` �
! ,
\ •
. . « {{ §
; .
,1 . . . ; a
! . ! 1:51 `
. . .
.
. , _ . §/
| ` . 40 ` | !
. . . , , , . . , . . . 6 . , , , , _ „ 11 ; 1
| � 00!1 ;
Sill | | |
! g
,
pd
l|
|
| ; | ' |
. „., |'
` °|`I
11
|| ( / } 5S kg"
) ( Ni , | ;/ § § §§ 6 § ! [ \ ! | ! !Ii | ( § ) iWi6 §hi ; § ; ! 1 | 4 , . Wi!6 § !
• ) ) § ! , , . 1 !
§ } v ( ( ) ) SSS ' |! | | ! | | | | | | ir ) )
| *1 41
: 7 : ! l = 7TI : 177 = ; 7 : : : ! :
5,I. Airli mo e --
TAX 2O14C — NEIGHBORHOOD ALLEY REPLACEMENT PROJECT — MAPLELEAF LANE A
a,
ct
AH0. Lo
W W
g� W W Xa4 R2 ' L
U U m O O J d '�[ rc
P QEt�'N Z Z m m 0 Q 4"
$ O 0 0 d o
� U U Z d' F N k'" YC
Z w 2 3 O
Ll
a 0 ~ ~ y z €
€s
a.0‘. Z h [Y O U w O Q
CC
ap E 0 o o c� d w n ? c� w i g g w
v r W w w 0 0 0 2 U� U) - ..
o Y J O O Z Z Z Z z Z Z z Ays'� ,.
12
r- ( ( C r � r
0 0 (n >( w Cl) In )< w x o I¢'m Q
a aa X X X X X X X X
a a w w w w w w w w ds 1,1 ,, W Q
Baa a3aw_ o o
0 AVM i1b43�03tl J W W
1.1
Luz
Q Q w fLZ
1_ w 0 88
z < LLV
,,,,,"`8,„'E,' y U J -
w Ua
cr rt
act
d o
o
N
t.
a
® . S
-
IN
NY w
-
=011.
•U '
ii... m
-} ter .
•
yam.mwg O
m 1y "
„�€ F o
1 W
® o0
Y3'ii1i
_
® _§E€ g9
1 � �
ffiSoa s
o� 5A k 1:11 1
11
s,1,,.,
C i Y i
!Ilg
iL ;,lCAa9A
nRis,
YS _
Y,.
l
6MP'2JIVd3fJ A3-11'd4lOZ/40/60 illtld3d A3T)V
a TAX 2014C NEIGHBORHOOD ALLEY REPLACEMENT PROJECT ASPEN WAY DRIVE ALLEY
rn
w w
w w x 0 a � ,
anew K K O x '8 z 8m
lixl
d Z Z m O 0 d d �_' 00
m O
z0 z z } 0_ ,y0
c_,‹ a e:e!
Ill Q - 0 3 z w 2 3 z is ,liEg
] LU o o a ?
r J W W C U' U' U' U' U' Z U' _
W N N Z z z z z z z z -
Y O O
O O 1~/1 (~il N (~il (~i7 l~i1 N (~il pp
0_ 0- X x x X X x X 1 .r Q
a a-
[1 x L.,>< w w w w w w - j }
Dw
J
W Q y
J > U
Q CC ET-
ICC
1� 0O °]
0
QU
{JJ{ Q 0
to
cr Z
1 W W O
0
� t t
itl
a�. �gi;; ttt
=; Y ! 3
wwl
2
a
� '
30' tial
14 IA y'� IU
o
,
} L
Plill
tL'li'l1 °
/
l 1 e€ F 1 e
f3 li
a i 1
ft,,,,, 4 r ^ ' -
'4
: Sp :P9g A.11411! e
co
Q
6MP'LIIVdJ A311V 4LOZ/40/60 2JIVd321 J.3TV