4-00 91 13.1 - Addendum No. 1.pdf
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- Attached to
- Walnut Street Reconstruction
- Solicitation number
- Not on record
- Issued by
- Union County, Pennsylvania
About this file
This Addendum No. 1, issued April 2, 2026, by Buchart Horn, Inc. on behalf of the Borough of Mifflinburg in Union County, Pennsylvania, modifies the original contract documents for the Walnut Street Reconstruction project (BH # 77570-00). The addendum revises the electronic bid form via PennBid, updates the Measurement and Payment section (Section 01 22 02) to clarify how various infrastructure components will be measured and compensated, and replaces four construction drawings (Sheets C-104, C-107, C-108, and C-109) with revised versions. The revised drawings reflect updated plans for water main installations (new 10-inch ductile iron pipe), sanitary sewer systems (8-inch polyvinyl chloride pipe), and storm drainage infrastructure, with specific station locations and elevation changes noted. Bidders must acknowledge receipt of this addendum by answering Bidder Acknowledgement 1.0.6 when submitting bids through PennBid; failure to do so may result in bidder disqualification. The bid deadline remains Friday, April 17, 2026, at 3:00 p.m. local prevailing time.
The Measurement and Payment section establishes detailed protocols for how contractors will be compensated for various work items, including water main pipelines (measured in linear feet), sanitary and storm sewer pipelines (measured along finished trench surfaces), manholes (measured by depth and type), and surface restoration such as pavement, concrete sidewalks, and curbs (measured by linear feet or square yards). Costs for mobilization, demobilization, erosion and sediment control, traffic control, clearing, grubbing, finish grading, seeding, and pipe bedding are to be included in unit prices bid rather than billed separately. The contract specifies that measurement extends through valves and fittings, with payment contingent upon completion of testing and Engineer acceptance. No specific pricing or budget information is disclosed in this addendum document.
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| File | Type | Posted |
|---|---|---|
| 3-Bidding Documents.pdf | ||
| 2-Contract Drawings.pdf | ||
| 1-Project Manual.pdf |
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Text version
4/2/2026 00 91 13.1 - 1 Borough of Mifflinburg Walnut Street Reconstruction
ADDENDUM NO. 1
ADDENDUM NO. 1
Date: April 2, 2026
To: ALL BIDDERS
From: Buchart Horn, Inc.
Engineers, Architects and Planners 2009 North Atherton Street, Suite 200 State College, PA 16803
Subject: Borough of Mifflinburg Walnut Street Reconstruction
Project: BH # 77570-00
NOTE: This Addendum forms a part of the Contract Documents and modifies the Original Documents dated March 2026. Acknowledgement of receipt of this Addendum shall be completed by answering Bidder Acknowledgement 1.0.6 when submitting bids on the PennBid website. Failure to do so may subject the Bidder to disqualification.
ITEM A – REVISIONS TO THE PROCUREMENT AND CONTRACTING REQUIREMENTS GROUP IN THE PROJECT
MANUAL
Section 00 41 13.10, Bid Form – The electronic bid form via PennBid has been updated.
ITEM B - REVISIONS TO THE SPECIFICATIONS GROUP IN THE PROJECT MANUAL
Section 01 22 02, Measurement and Payment – DELETE Section 01 22 02, Measurement and Payment and REPLACE with revised Section 01 22 02, Measurement and Payment, attached to this Addendum No. 1.
ITEM C - REVISIONS TO THE DRAWINGS
Sheet No. C-104, Walnut Street Sta 5+00 to 7+75 – DELETE Sheet No. C-104, Walnut Street Sta 5+00 to 7+75 and REPLACE with revised Sheet No. C-104, Walnut Street Sta 5+00 to 7+75, attached to this Addendum No. 1.
Sheet No. C-107, Walnut Street Sta 12+50 to 15+25 – DELETE Sheet No. C-107, Walnut Street Sta 12+50 to 15+25 and REPLACE with revised Sheet No. C-107, Walnut Street Sta 12+50 to 15+25, attached to this Addendum No. 1.
Sheet No. C-108, Water Main Plan & Profile Sta 15+25 to 17+89 & Sanitary Sewer – DELETE Sheet No. C-108, Water Main Plan & Profile Sta 15+25 to 17+89 & Sanitary Sewer and REPLACE with revised Sheet No. C-108, Water Main Plan & Profile Sta 15+25 to 17+89 & Sanitary Sewer, attached to this Addendum No. 1.
Sheet No. C-109, Sanitary Sewer Plan & Profile Walnut St. to Mulberry St. – DELETE Sheet No. C-109, Sanitary Sewer Plan & Profile Walnut St. to Mulberry St. and REPLACE with revised Sheet No. C-109, Sanitary Sewer Plan & Profile Walnut St. to Mulberry St., attached to this Addendum No. 1.
END OF ADDENDUM NO. 1
BH - 77570-00
Borough of Mifflinburg
Walnut Street Reconstruction
4/2/2026 01 22 02 - 1 Measurement and Payment
ADDENDUM NO. 1
SECTION 01 22 02
MEASUREMENT AND PAYMENT
PART 1 GENERAL
1.1 MEASUREMENT OF QUANTITIES
A. Work completed under the Contract shall be measured by the Engineer according to the standards of weights and measures recognized by the U.S. Bureau of Standards.
B. The method of measurement and computations to be used in determination of quantities of material furnished and of work performed under the Contract will be those methods generally recognized as conforming to good engineering practice.
C. Unless otherwise specified, measurements for area computations will be made on the surface. Pay measurements for area computations will not exceed the neat dimensions shown on the Contract Drawings, unless otherwise ordered in writing by the Engineer.
D. Structures will be measured according to neat lines shown on the Contract Drawings or as altered to fit field conditions. No payment will be made for length, width, or depth, in excess of that shown on the Contract Drawings or specified in the Specifications for any construction, unless otherwise approved by the Engineer in writing.
E. Items which are measured by the linear foot, such as pipe, will be measured parallel to the base or foundation upon which such items are placed, unless otherwise shown on the Contract Drawings or specified.
F. In computing volumes of excavation, the average end area method based on horizontal measurements, or other acceptable methods, will be used.
G. The term "each", when used as an item of payment, will mean complete payment for the Work described in the Contract.
H. The term "lump sum", when used as an item of payment, will mean complete payment for the Work described in the Contract, including all necessary fittings and accessories.
I. The term "complete in place", means the completion of the Contract item or portions thereof as determined by the Engineer including the furnishing of all materials, equipment, tools, labor, and work incident thereto, unless otherwise specified.
1.2 SCOPE OF PAYMENT
A. The Contractor will receive and accept compensation provided for in the Contract as full payment for furnishing all materials, labor, tools, and equipment and for performing all Work under the Contract in a complete and acceptable manner and for all risk, loss, damage, or expense of whatever character arising out of the nature of the Work or the execution thereof, subject to the provisions of the General Conditions.
B. If any unit price in the Bid Schedule requires that the said unit price cover and be considered compensation for certain work or material essential to the item, this same work or material will not also be measured or paid for under any other pay item which may appear elsewhere in the Specifications.
1.3 GENERAL PAYMENT ITEMS
A. MOBILIZATION AND DEMOBILIZATION
1. No measurement will be made.
Walnut Street Reconstruction
4/2/2026 01 22 02 - 2 Measurement and Payment
ADDENDUM NO. 1
2. No additional payment will be made. All costs for mobilization and demobilization shall be included in the unit price(s) bid.
B. EROSION AND SEDIMENT CONTROL
1. No measurement will be made.
2. No additional payment will be made. All costs for sediment and erosion control measures shall be included in the unit bid price(s) for items requiring these control measures.
C. TRAFFIC CONTROL
1. No measurement will be made.
2. No additional payment will be made. All costs for traffic control shall be included in the unit price(s) bid.
D. CLEARING AND GRUBBING
1. No measurement will be made.
2. No additional payment will be made. All costs for clearing and grubbing shall be included in the unit price(s) bid for gravity sewer pipelines.
E. FINISH GRADING AND SEEDING
1. No measurement will be made.
2. No additional payment will be made. All costs for finish grading and seeding shall be included in the unit price(s) bid for gravity sewer pipelines.
F. PIPE BEDDING
1. No measurement will be made.
2. No additional payment will be made. All costs for pipe bedding shall be included in the unit price bid for gravity sewer pipeline.
1.4 WATER PAYMENT ITEMS
A. INTERCONNECTIONS
1. Measurement of the Interconnections will be based upon the number of each installed.
2. Payment for Interconnections will include site preparation, unclassified excavation, connection to existing waterlines, pipe bedding, thrust blocking, joint restraint, traffic control, testing and disinfection, and all associated work of the connection to the limits shown on the Contract Drawings. All valves and fittings will be paid under their individual items.
B. WATER MAIN PIPELINES
1. Measurement for payment of water main pipelines of each size will be made along the finished trench surface over the centerline of the pipeline to the limits shown on the Contract Drawings.
Measurement will extend through valves and fittings.
2. Payment for water main pipelines will be made at the unit price bid per linear foot for each size and class of pipe, complete in place, including excavation, backfill, pipe, thrust blocks, joint restraint, bedding material, testing and disinfection, and restoration of unpaved surfaces.
Payment will not be made until testing has been completed and accepted by the Engineer.
C. STORM SEWER PIPELINES
1. Measurement for payment of storm sewer pipelines will be made along the finished trench surface over the centerline of the pipeline to the limits shown on the Contract Drawings.
Measurement will extend through valves and fittings.
Walnut Street Reconstruction
4/2/2026 01 22 02 - 3 Measurement and Payment
ADDENDUM NO. 1
2. Payment for storm sewer pipelines will be made at the unit price bid per linear foot for each size and class of pipe, complete in place, including excavation, backfill, pipe bedding material, pipe, restrained joints, and restoration of unpaved surfaces. Payment will not be made until testing has been completed and accepted by the Engineer.
D. GRAVITY SEWER PIPELINES
1. Measurement for payment of gravity sewer pipelines of each size and type will be made from center to center of manholes. Horizontal lengths indicated on the approved grade sheets will be the only basis for payment.
2. Payment for gravity pipelines will be made at the unit price bid per linear foot for each size, complete in place, including pipe, excavation (regardless of trench width) stone bedding, backfill -either native material or stone, dewatering, testing, and restoration of unpaved surfaces.
Payment will not be made until testing has been completed and accepted by the Engineer.
E. PIPE FITTINGS
1. Measurement for water main pipeline fittings will be on the basis of pounds of fittings actually installed.
2. Payment for water main pipeline fittings will be made at the unit price bid for each size and type of fitting installed, complete in place. Payment will not be made until testing has been completed and accepted by the Engineer.
F. VALVES
1. Measurement for water main valves will be on the basis of the number installed.
2. Payment for water main valves will be made at the unit price bid for each size, type and pressure class valve, complete in place, including valve box.
G. FIRE HYDRANTS
1. Measurement of fire hydrants will be on the basis of the number installed.
2. Payment for fire hydrants will be made at the unit price bid for each hydrant installed, complete in place. Payment will include hydrant, excavation and backfill, valve, installation, stone for drain, and thrust restraint but exclude pipe from main to hydrant.
H. SERVICE CONNECTIONS
1. Measurement of service connections will be on the basis of the number installed.
2. Payment for service connections will be made at the unit price bid for each size service connection, complete in place. Payment will include corporation stop, curb stop, and curb box but exclude pipe or tubing.
I. SERVICE CONNECTION PIPE OR TUBING
1. Measurement of service connection pipe or tubing will be made along the ground surface over the centerline of the pipe or tubing to the limits shown on the Contract Drawings.
2. Payment for service connections installed in an open cut trench will be paid for at the unit price bid per linear foot for each size complete in place. Payment will include pipe or tubing, excavation and backfill, installation, and testing and disinfection.
a. Payment for service connections installed by boring or pushing will be paid for at the unit price bid per linear foot for each size, complete in place. Payment will include pipe or tubing, casing pipe, equipment, testing and disinfection, and all work incidental to this type of installation.
Walnut Street Reconstruction
4/2/2026 01 22 02 - 4 Measurement and Payment
ADDENDUM NO. 1
J. CONNECTION TO EXISTING MANHOLE
1. No measurement will be made.
2. Payment for connection to an existing manhole will be made at the lump sum bid per connection complete in place, to the limits shown on the Contract Drawings. The lump sum bid shall be full payment for each connection to existing manhole regardless of depth of manhole. Payment will include excavation, backfill, surface restoration, and all other work incidental to construction.
K. WYE BRANCHES
1. Measurement of wye branches will be on the basis of the number of wye branches installed. One wye branch will be paid for each lateral installed.
2. Payment for wye branches will be made at the unit price bid for each wye branch complete in place including temporary or permanent plug. Payment will be made in addition to the payment per linear foot for pipelines and in addition to the payment for laterals. Payment will not be made until testing has been completed and accepted by the Engineer .
L. MANHOLES
1. Measurement for manholes will be from the elevation of the manhole invert at the lowest point in the channel to the elevation of the existing ground at the centerline of the manhole previous to the start of the work, unless a higher elevation is indicated on the Contract Drawings.
2. Payment for manholes of the various types and diameters will be at the unit price bid, each. Unit prices bid will be full payment for complete manholes (except manhole frames and covers, and drop connections) including excavation, backfill, crushed stone subbase, and connection of existing sanitary sewer and laterals and is in addition to payment for pipeline. Payment will not be made until completion of testing and acceptance by the Engineer.
M. LAMPHOLES
1. Measurement for lampholes shall be on the basis of the number installed.
2. Payment for lampholes will be made at the unit price bid for each lamphole, complete in place.
Payment will include excavation, backfill, pipe, fittings, frame and cover, and concrete encasement.
N. GRAVITY SEWER LATERALS
1. Measurement of gravity sewer laterals will be on the horizontal distance from the centerline of the pipeline at the wye branch, along the lateral to the end of the lateral. Measurement of laterals with vertical or sloped risers will be the total of the distance along the centerline of the lateral from the centerline of the pipeline at the wye branch to the centerline of the bend at the top of the riser to the end of the lateral, as shown on the Contract Drawings.
2. Payment for gravity sewer laterals will be made on the unit price bid per linear foot for each size of pipe complete in place. Payment will include excavation (regardless of trench width), stone bedding, backfill (native or select), pipe, fittings, connection of lateral to wye, house connection cleanout, plug, testing and marker stakes and restoration of unpaved surfaces, curbs, sidewalks, etc. Payment will not be made until testing has been completed and accepted by the Engineer .
O. LATERAL CLEANOUTS
1. Measurement of cleanouts will be on the basis of the number installed and to the limits shown on the Contract Drawings.
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4/2/2026 01 22 02 - 5 Measurement and Payment
ADDENDUM NO. 1
2. Payment for cleanouts will be made at the unit price bid for each cleanout, complete in place.
Payment will include excavation, backfill, pipe, fittings, and concrete encasement.
P. PERMANENT PAVEMENT RESTORATION
1. Measurement for pavement restoration over pipe trenches shall be made in linear feet as specified for the various types of pipelines. Paving will be measured to the limits of pavement specified for each type of pipeline or to the limit of paving actually placed, whichever is less.
2. Payment for permanent pavement restoration will be made at the unit price bid per linear foot (regardless of trench width) complete in place, including testing.
Q. CONCRETE SIDEWALK
1. Measurement for concrete sidewalk will be made by the two-dimensional method along the surface of the sidewalk to the first joint beyond the pay limits of the pipeline trench.
2. Payment for sidewalk restoration will be at made the unit price bid per square yard, complete in place, including stone bedding, concrete and finishing.
R. CONCRETE CURB REPLACEMENT
1. Measurement for concrete curb replacement will be made along the top of the curb to the first joint beyond the pay limits.
2. Payment for concrete curb replacement will be made at the unit price bid per linear foot, complete in place, including excavation, concrete, finishing, and backfilling.
S. PRECAST INLET WITH TYPE C TOP
1. Measurement of precast inlets will be on the basis of the number installed and to the limits shown on the Contract Drawings.
2. Payment for precast inlets will be made at the unit price bid for each inlet, complete in place.
Payment will include excavation, backfill, and all associated items needed to make the work complete.
T. TREES/SHRUB REMOVAL
1. Measurement of trees/shrub removal will be on the basis of the number removed and to the limits shown on the Contract Drawings.
2. Payment for trees/shrub removal will be made at the unit price bid for each removed, complete in place.
U. DOWNSPOUT DRAIN PIPE
1. Measurement for downspout drain pipe shall be in linear feet.
2. Payment for downspout drain pipe will be made at the unit price bid per linear foot, complete in place, as specified.
END OF SECTION
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BC
561.43 560.76
TC
BC
561.15 560.48
TC
BC
560.99 560.32
TC
BC
560.68 560.01
TC
BC
560.46 559.79
TC
BC
560.48 559.81
SS SS SS SS SS SS SS SS SS SS SS SS
REPLACE EX STORM
PIPE WITH 12"Ø HDPE
STORM PIPE
REPLACE EX INLET
WITH NEW
TYPE C INLET (TYP)
12"Ø HDPE PIPE 12"Ø HDPE PIPE
C-505
SD SD SD SD SD SD SD SD SD SD SD SD SDINLET 4
INLET 3
CONTRACTOR TO
VERIFY INVERT OF
EX MANHOLE
XXX
X
X X X X
X
559.6
562.4
561.8
560.6
560.6
562.7 561.7
560.5
559.3561.4
560.7
N.
2N
D
ST
RE
ET
S.
2N
D
ST
RE
ET
SS SS SS SS
SS
SS
SS
SS
SS
SS
WV
WV
SD
SD
SD
SD
SD
SD
SD
WSO
WSO
WSO WSO
WSO
WSO
W W W W W W W W W W W W W W W W
W W W W
W W
#218
#212 #206
#200
#215
#207
#205 #203
WALNUT STREET
WALNUT STREET
W W W W W W W W W W W
WV
W W
EX
4"
C
IP
EX
8"
P
VC
EX 6" CIP
EX 10" ACP
MH 65
MH 65A SD
SD
EL
EV
AT
IO
N
EL
EV
AT
IO
N
15+25 16+00 17+00 17+89
IN
V
EL
EV
IN
V
EL
EV
435LF 8"Ø PVC @ 0.99%
MH 65A
30LF OF 8"Ø DI @ 3.65%
MH 65
EX. ℄ ROAD GRADE
10" DI WATER MAIN
4'
MI
N.
RI
M
EL
: 5
.79
ST
A.
0+
.93
IN
V.
IN
2.1
IN
V.
O
UT
2.0
R
IM
E L:
.6
S
TA
. 0 +0
IN
V . I
N
0.
E
X
IN
V . O
U T
- 5
.6
C O
N
TR
A C
TO
R
T O
V E
R
IF
Y E
X M
A N
H O
LE
IN
V E
R
TS
10"X8" CROSS
8" DIP WATER MAIN
10" CAP FOR FUTURE
CONNECTION
249 LF 8"Ø PVC @ 1.14%
C-108
WATER MAIN
PLAN & PROFILE
STA 15+25 TO
17+89 &
SANITARY
SEWER
DHS
JRS
NORTH
SCALE: 1" = 10' 0 10' 20'
PLAN1
DESIGNM:
\P
RO
J\7
-0 0\0
8-
CA
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0-
_P
&P C
-1
-C -1
.D
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C-
8/4 /2/
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A M/
St ro us e, Do re en
PROJECT NO:
CHECKED BY:
ISSUED DATE:
SHEET NO:
DRAWN BY:
© BUCHART HORN, INC.
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D
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SHEET TITLE:
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TC
H
LIN
E
SE
E
MA
TC
H
LIN
E
SE
E
C-
C-
MA
TC
H
LIN
E
SE
E C-
SCALE: 1" = 10' 0 10' 20'
PROFILE2
VERT. SCALE: 5'
0 10'5'
/02 /20
AD
DE
ND
1+630+00 1+00 2+
W W
W W
W
W
W
W
NE
W
C
UR
B (T
YP
C-
WSO
W
SO
W
SO
W
SO
W
SO
SC
OSSSSSSSSSSSSSSSSSSSSSSS
LH 108B
EX MH 108A
TC BC
9.0
8.3
TC BC
9.5
8.9
TC BC
8.9
8.3
TC BC
8.8
8.1
EX
S
AN
S
EW
ER
LA
TE
RA
L
SA
N
SE
W
ER
LA
TE
RA
L
8" PVC SAN SEWER MAIN
X X
X
XXXXXX
X
8.4
8.4
8.4
5.4 W
W W
W W
W
W
SO
W
SO
W
SO
W W
W W
W
#3
#3
#3
#3
#3
SS
SS
SS
SS
SS
SS SS SS SS SS SS SS SS
M
UL
BE
RR
Y
ST
RE
ET
S
LH 108B
EL
EV
AT
IO
N
EL
EV
AT
IO
N
-0+25 0+00 1+00 1+75
IN
V
EL
EV
IN
V
EL
EV
161LF OF 8"∅ PVC @ 4.44%
EX. GRADE
EX MH 108A
RI
M
E L:
.0
ST
A.
+0
IN
V.
IN
6.7
RI
M
EL
: 5
.23
ST
A.
1+
.25
IN
V.
O
UT
4.0
C-109
SANITARY
SEWER PLAN
& PROFILE
WALNUT ST.
TO
MULBERRY ST.
DHS
JRS
MATCH LINE
SEE C-102
NORTH
SCALE: 1" = 10' 0 10' 20'
PLAN1
DESIGNM:
\P
RO
J\7
-0 0\0
8-
CA
DD
\05
-C
IV
IL\
0-
_P
&P C
-1
-C -1
.D
W G/
C-
9/4 /2/
:40
A M/
St ro us e, Do re en
PROJECT NO:
CHECKED BY:
ISSUED DATE:
SHEET NO:
DRAWN BY:
© BUCHART HORN, INC.
MA
RK
IS
SU
ED
D
AT
E
DE
SC
RI
PT
IO
N
RE
VI
SI
ON
S
SHEET TITLE:
77570-00
W
AL
NU
T
ST
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ET
R
EC
ON
ST
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CT
IO
N W
AL
NU
T
ST
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ET
TH
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BO
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UG
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OF
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IN
BU
RG
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BU
RG
, U
NI
ON
C
OU
NT
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TH
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BO
RO
UG
H
OF
M
IF
FL
IN
BU
RG
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OR
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RD
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TR
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MI
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BU
RG
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MA
TC
H
LIN
E
SE
E C-
SCALE: 1" = 10' 0 10' 20'
PROFILE2
VERT. SCALE: 5'
0 10'5'
MATCH LINE
SEE C-102
1 1
/02 /20
AD
DE
ND
| 00 91 13.1 - Addendum No. 1 |
| 01 22 02-AD1-Measurement and Payment-4-2-2026 |
| 77570-00_20260402 ADDENDUM 1 SET |
| C-104 |
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