HomeMy WebLinkAbout1989-01-24; City Council; 9832; APPROVAL OF CHANGE ORDER NO. 2 ADDITIONAL REMOVAL RECONSTRUCTION OF SWIM COMPLEX DECK 32710
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cl~y~ APPROVAL OF CHANGE ORDER NO. 2 FOR MTG. 1/24/89
DEPT. t
CITY M OF SWIM COMPLEX DECK DEPT. MP
RECOMMENDED ACTION:
ADDITIONAL REMOVAL AND RECONSTRUCTIOE
Adopt Resolution No. 89 -2 5 approving Change Order Number 2 f the reconstruction of an additional 9,000 square feet Carlsbad's Swim Complex deck, Project No. 3271.
ITEM EXPLANATION:
The Carlsbad Swim Complex was constructed in 1982 by the City Carlsbad in conjunction with the Carlsbad Unified Schc
deteriorated considerably due to cracking of the concrete B
expansion of the rusting reinforcing steel. Additionally, t slot drain system surrounding the swimming pool has experienc
similar deterioration.
On October 25, 1988, the City Council awarded a contract to RC Construction, Incorporated, for the removal and reconstruction deteriorated portions of concrete decking surrounding t Carlsbad Swim Complex. This work was to include an ax
measuring approximately seven and one-half (7 1/2) feet in wid
around the entire swimming pool. During the demolition of t
deck, extensive corrosion and deterioration of underlyi reinforcing steel and concrete was discovered which extended the perimeter of the pool. This condition, if left unaddress and not corrected, will necessitate additional major and cost repairs in the next few years.
District. In the last few years, the pool decking 1
In order to eliminate major reconstruction and repairs in t
future, staff has investigated and identified areas to be remov and reconstructed at this time in conjunction with the curre repair work. In addition, staff recommends the installation of new drainage system to replace the existing deteriorati concrete system. The new drainage system will not require t installation of reinforcing steel which currently is the maj cause of the rust, corrosion, and concrete slab deterioration.
Staff recommends the City Council consider expanding the curre scope of work to include removal and replacement of t remaining concrete decking around the swimming pool a replacement of the drainage system to more efficiently captu and drain the water around the pool. At this Council meetin staff will show photographs of the existing situation and provi
the Council with options to address the additional recommend
repairs.
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Page Two of Agenda Bill No. 9 83%
FISCAL IMPACT:
The additional recommended work includes the following items:
- Demolition and removal of approximately 9,000 squa
feet of existiny concrete slab, reinforciny stee
existing drainage system, and provide back-fill a compaction to minimize settlement.
- Installation of a new six (6) inch poured in pla
- Installation of new sealed expansion joints.
- Installation of a new trench-drain system wi
concrete slab of approximately 9,000 square feet.
stainless steel grate a distance of approximately 4 linear feet surrounding the swimming pool.
- Relocation of existing streetlight standard
- Core drill and patch existing fence inserts.
- Provide design layout and field survey to insL
- Credit City for deleting sand removal from existi
northeast corner to include a new base and wiring.
positive drainage and slab placement.
drainage system as well as additional reinforci steel.
This additional work represents a major reconstruction of t Swimming Pool Complex to correct longstanding deficiencies in t
drainage system and replace deteriorating decking and t
surrounding concrete slab. Staff has negotiated a cost
$99,745 with the current contractor to perform the additior
work required to correct the existing problems. Attached Char Order No. 2 is recommended for approval if the Council authoris additional expansion of work to include the items listed above.
In the 1987-88 Capital Improvement Program budget, the Cj Council appropriated $250,000 for this project. The origir contract amount of $61,291 has been previously authorized for t current scope of work. The approval of Change Order No. 2 in t amount of $99,745 will enable the complete reconstruction of t
pool deck to be accomplished within the previously authoriz
total project budget of $250,000.
The additional work will require approximately thirty (:
estimated project completion date of March 1, 1989. The Pal and Recreation Department has indicated that activities and
additional calendar days to complete which will result in a I
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Page Three of Agenda Bill No. q 83%
events will be rescheduled to adapt to the new estimat
completion date.
EXHIBITS :
1. Location map.
2. Resolution No. 89-25 approving Change Order Number 2 for t reconstruction of an additional 9,000 square feet to t Carlsbad Swim Complex deck.
3. Change Order Number 2.
-, I w LOCATION MAP
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CHESTNU’[ AVENUE /r7
I VICINITY MAP
N. T. S. ss PROJECT NAME PROJ- NO- EXHI
SWIM COMPLEX DEC;K REPAIR 3271
0 CITY OF CARLSBAD m
PUBLIC WORKS PROJECT CHANGE ORDER Na. 2
(More than $5,000)
CONTRACT NO. 3271 PURCHASE ORDER NO. 6232 ACCOUNT NO. 191-820-1821-32
CONTRACTOR'S NAME ROCA CONSTRUCTION, INCORPO~TED
CONTRACTOR ' S ADDRESS 1470 Bay Boulevard, Lot 2, Chula Vista, CA 92011
The contractor is directed to make the following changes. Changes shall include .
material and equipment; payment stated on this change order includes all charges dirc
indirect arising out of this additional work. The requirements of the specifica.
where pertinent and not in conflict with this order shall apply to these changes.
This change order is not effective unless signed by the Mayor.
CHANGE: 2. Install new 6" PCC slab per original specifications - approx. 9,000 SF
1. Remove existing concrete (except behind fence) deck and drainage system $:
@ $3.50/SF
3. Install new expansion joints with sealant for 940 LF @ $4.00/LF
4. Install new trench drain system - "Polydrain" w/ stainless steel grate 441 LF @
5. Relocate light standards w/ new base
6. Surveying and layout
7. Core drill and patch insets behind fence
8. Credit for removing sand from existing drainage system
$85/LF complete inplace including the catch basins
9. Credit for reinforcing steel
REASON FOR CHANGE:
To remove and reconstruct all of the deck slabs dur to the deterioration of underlyinl
COST : - TIME CHANGE:
Lump sum X Unit prices X Both X
Total this extra -$ 99,745.00
Previous net changes $ 3,088.00 Original contract amount $ 61,291.00 New contract total $ '164,124.00
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Pgc Project an4 r, City H3-579 Date
Add days X Deduct days t
Add/deducrd-his change 1I
. Previous add/deduct days t
Original contract days 5( New contract time 71
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BY Contractor D:
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Di
White - Job File
Pink - Project Inspector Yellow - Contractor Gold - Purchasing with P.O. Ch
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RESOLUTION NO. 89-25
-A RESOLUTION OF THE CITY COUNCIL OF THE CITY
OF CARLSBAD, CALIFORNIA, APPROVING CHANGE ORDER NO. 2 FOR THE RECONSTRUCTION OF THE CARLSBAD SWIM COMPLEX DECK, PROJECT NO. 3271
WHEREAS, extensive reconstruction to the exj
Carlsbad Swim Complex is required: and
WHEREAS, additional reconstruction is hereby c
necessary, desirable and in the public interest by the Cal
City Council in order to eliminate and minimize future rc
and costs: and
WHEREAS, funds in the amount of $250,000 were previ
appropriated and are available in the project account r
191-820-1821-3271; and
WHEREAS, Change Order No. 2 in the amount of $99,7
effect the necessary repairs has been negotiated wit1
current contractor and is hereby presented.
NOW, THEREFORE, BE IT RESOLVED as follows:
1. That the above recitations are true and correct
2. That Change Order Number 2 in the amount of $5
is hereby approved and the Mayor and City Clerk are authc
to execute said Change Order. Following the Mayor's sigr
of said Change Order No. 2, the City Clerk is directed to I
copy of said Change Order to the Municipal Projects Depa~
for processing. I ///
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1 3- That the Purchasing Officer of the City of Carl!
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approved Change Order No. 2 4
purchase order number 6232 by $99,745 in accordance 3
Californi5, is hereby authorized to increase the exir
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6 PASSED, APPROVED AND ADOPTED at a regular meeting 0:
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1989, by the following vote, to wit: 8
Carlsbad City Council held on the 24th day of January
9 AYES: Council Members Lewis, Kulchin, Pettine, Mamaux and Lax
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NOES: None
ABSENT : None (f&/ dii q ,[/, . 'c-
&hoDE d. kkWfS, Mayor
ATTEST:
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15 ALETHA L. RAUTENKRANZ, City Clkk
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