HomeMy WebLinkAbout15154 ORD - 10/03/1979jkh:9-28-79;1st
•
AN ORDINANCE
AUTHORIZING THE CITY MANAGER TO EXECUTE A CHANGE ORDER TO
THE CONTRACT WITH PERMIAN CONSTRUCTION COMPANY AND REPUBLIC
MECHANICAL CORPORATION, A JOINT VENTURE, FOR IMPROVEMENTS
TO AND EXPANSION OF THE OSO WASTEWATER TREATMENT PLANT,
PROVIDING FOR A DESIGN CHANGE OF CERTAIN FOUNDATION PIERS;
APPROPRIATING $13,450 FOR THE CHANGE ORDER OUT OF THE
N0. 250 SANITARY SEWER BOND FUND APPLICABLE TO PROJECT
N0. 250-77-4, OSO PLANT IMPROVEMENTS, BOTH THE APPROVAL
OF THE CHANGE ORDER AND THE APPROPRIATION OF FUNDS BEING
SUBJECT TO THE CONCURRENCE IN AND APPROVAL OF THE ENVIRON-
MENTAL PROTECTION AGENCY (C-48-1214-03); AND DECLARING
AN EMERGENCY.
BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF CORPUS CHRISTI,
TEXAS:
SECTION 1. That the City Manager be authorized to execute a
Change Order to the contract with Permian Construction Company and Republic
Mechanical Corporation, a joint venture, for improvements to and expansion
of the Oso Wastewater Treatment Plant, providing for a design change of
certain foundation piers, as more particularly described in the Change
Order, a substantial copy of which is attached hereto and made a part
hereof, marked Exhibit "A".
SECTION 2. That there is hereby appropriated the sum of $13,450
out of the No. 250 Sanitary Sewer Bond Fund for the aforesaid Change Order
applicable to Project No. 250-77-4, Oso Plant Improvements. Both the
approval of the aforesaid Change Order and the appropriation herein and
hereby provided are subject to the concurrence in and approval of the
Environmental Protection Agency (C-48-1214-03).
SECTION 3. The necessity to authorize execution of the said
Change Order and appropriation of the sums described, subject to approval
of and concurrence by the Environmental Protection Agency, creates a
public emergency and an imperative public necessity requiring the suspen-
sion of the Charter rule that no ordinance or resolution shall be passed
finally on the date of its introduction but that such ordinance or resolu-
tion shall be read at three several meetings of the City Council, and the
Mayor having declared that such emergency and necessity exist, and having
requested the suspension of the Charter rule and that this ordinance be
15154
MICRuilL1V1to
AUG 281980
passed finally on the date of its introduction and take effect and be in
full force and effect from and after its passage, IT IS ACCORDINGLY SO
ORDAINED, this the day of October, 1979.
ATTEST:
�i 471
Ci y Secretary
APPRQVED:
DAY OF OCTOBER, 1979:
J. BRUCE AYCOCK, CITY ATTORNEY
MAY
HE CI
OF CORPUS CHRISTI, TEXAS
Po, �uti on dr,_
Control Project No.-W.P.C.-TEX-I214
E.P.A. Step 2 Grant No,
C -4g`1214
Improvements to t
Corpus Christi the Oso Wastewater Treatment p
Contract No. Texas lent
4 Treatment Plant Ex ansion
First Phase of Plant Construction
Job No. 9254.30
CHANGE ORDER NO. 2
Part A. Necessity of Change Order:
The soil conditions encountered while attempting
of the drilled shafts for the plant office and
were 9 construction
unacceptable because groundwater enteringcontrol building
low casing caused caving in excess of antic from
from soil borin what was r m be-
ef the g. This caving would threaten the tintegrit
underreamed pier, thus jeopardizing the
of shaft. Therefore gri ty
of tate , a change in design correctness
construction and to is required of the
shafts are maintained. insure that the integrity of the
Part B. Description of Work:
Item 1. plant Office and Control Buildin :
a. Change 16 inch diameter shafts with 48 inch dia-
meter underreamed piers et a bottom elevation of
-2.1 feet to 30 inch diameter straight shafts
(no underreamed piers) with a bottom elevation of
-6.0 feet.
b. Change 20 inch diameter shafts with 60 inch dia-
meter underreamed piers at a bottom elevation of
-2.1 feet to 30 inch diameter straight shafts
(no underreamed piers) with a bottom elevation of
-11.0 feet.
c. The reinforcing steel for the drilled shafts are
to remain, as shown on contract drawings.
Item 2. Blower Houses No.
2 and 4:
a. If necessary, change 14 inch diameter shafts with
42 inch diameter underreamed piers at a bottom
elevation of -2.1 feet to 18 inch diameter straight
shafts (no underreamed piers) with a bottom ele-
vation of -11.0 feet.
b. The reinforcing steel for the drilled shafts are
to remain as shown on contract drawings.
Part C. Construction Method:
Item 1. Plant Office and Control Buildin :
The shafts are to be drilled and then inspected by
engineer. If the soil conditions encountered threaten
integrity of shaft, casing shall be required.
Item 2. Blower,Rous s
No, 2 and 4;
The contractor shall attempt to drill the shafts
as shown in the contract drawings. If shafts
acceptable, the contractor shall
ori-
ginallyare
specified. If shafts proceed taso
the contractor shall re rYunacceptable,
from engineer Croce written ngwh design
out in this ch an 2e to proceeding with desi
this g order. The shafts out
change order, are to be ' as set out
inspected by engineer. drilled and then
en-
countered threaten If the soil conditionsal
be required, integrity of shaft, casing shall
Each blower house shall be considered
separately, and if possible, all drilled shafts
der a blower house shall be
of the same un-
IPo
tem 3 +ne design,
urin of Concrete;
When
encpouri cgeconcrete, a hopper shall be used to
downward. wnward. The concrete shall fall
y, unobstructed..
Part D. Cost Breakdown;
Item Description
hb.
Quantity Unit of Unit
Total Cost
1. Change in drilled shafts
for plant office & con-
trol building.
(Deduct $25.00 per shaft
(36 shafts total) if cas-
ing is not required. Maxi-
mum possible deduction is
$900.00.)
1 LS $9,122.00
2. Change in drilled shafts $ 9,112.00
for Blower House No. 2*
(Deduct $25.00 per shaft
(22 shafts total) if cas-
ing is not required. Maxi-
mum possible deduction is
$300.00.)
1 LS $2,169.00
3. Change in drilled shafts $ 2,269.00
for Blower House No.4*
(Deduct $25.00 per shaft
(12 shafts total) if cas-
ing is not required. Maxi-
mum possible deduction is
$300.00)
Measure Price Tn Place
Maximum Allowable Cost for
Change Order No. 2.**
1 LS $2,169.00
$ 2,169.00
$13,450.00
*The change in drilled shafts for blower houses No. 2 and 4 may not bo
required (see Item 2 of Part C'"Construction Method").
**The contractor shall only .be reimbursed for extra work done.
The original contract sum was
The net change by previous change orders
The contract sum prior to this change order
The contract sum will be increased by this
change order a maximum of
The new contract sum including this change
order will be a maximum of
The original completion time was
The completion time will be increased by
The completion time
will be
En
Urb
By:
r J.
Partner
Date:
, P.E.
79
Contractor:
Permian/Republic
A Joint Ventur
By:
Ma
Vi
was
A. Lammon
-President
Date:
$7,411,000.00
-0-
$7.411,000.00
$ 13,450.00
$7,424,450.00
500 working days
-0-
S00 working days
Owner:
City of Corpus Christi
By:
James K. Lon to ,P .E „
Director of En gr. &
Physical Dev.
Date:
CITY OF CORPUS CHRISTI, TEXAS
CERTIFICATION OF FUNS
(City Charter Article IV Section 21)
September 26, 1979
I certify to the City Council that $ 13,450
, the amount required
for the contract, agreement, obligation or expenditures contemplated in the
above and foregoing ordinance is in the Treasury of the City of Corpus Christi
to the credit of:
Fund No, and game 250 Sanitary Sewer Bond Fund
Project No. 250-77-4
Project Name
Oso Plant Improvements
from which it is proposed to be drawn, and such money is not appropriated for
any other purpose. •
iYe o1. lg-rte
Director of Finance
ry �
,C/
tl/4 FIN 2-55
V Revised 7/31/69
- • FtNANCE
SEP 0 I 57 PM '19
)
Corpus Christi, exas
.3 day of �, 19 IP
TO THE MEMBERS OF THE CITY COUNCIL
Corpus Christi, Texas
For the reasons set forth in the emergency clause of the foregoing ordinance, a
public emergency and imperative necessity exist for the suspension of the Charter
rule or requirement that no ordinance or resolution shall be passed finally on
the date it is introduced, and that such ordinance or resolution shall be read
at three meetings of the City Council; I, therefore, request that you suspend
said Charter rule or requirement and pass this ordinance finally on the date it
is introduced, or at the present meeting of the City Council.
Respectfully,
MAYOR,
'THE FY OF CORPUS CHRISTI, TEXAS
The Charter rule was suspended
Luther Jones
Edward L. Sample
Dr. Jack Best
David Diaz
Jack K. Dumphy
Betty N. Turner
Cliff Zarsky
by the following
The above ordinance was passed
Luther Jones
Edward L. Sample
Dr. Jack Best
David Diaz
Jack K. Dumphy
Betty N. Turner
Cliff Zarsky
by
the
vote:
following vote:
15151