Casa Adelante Affordable Housing Tops Out

The 130-unit Casa Adelante development at 681 Florida Street topped out in San Francisco this month with general contractors Cahill / Guzman, JV. The ten level above grade structure is located in the Mission District and dedicated entirely to affordable housing. The Mission Economic Development Agency worked hard to ensure the property remained affordable and even earmarked 30% of the units for the formerly homeless. Mithun architects and Structus, Inc. structural engineers hope to have the building complete during the spring of 2022.

Concrete construction began in January with the placing of a 3,510CY. Two truck mounted boom pumps placed an average of 350CY/Hour for 10 Hours. Concrete Support Systems’ three piece decking system was used for the 14,638sf. The building façade features exposed concrete columns and upturn beams at levels two, five, eight and at the roof with horizontal reveals. Teams accomplished these architectural elements using the shotcrete method of construction. Over the course of eight months Largo will have placed 11,0000CY.

Steven Creek Office Podium Tops Out

Largo completed the podium level at the Stevens Creek Office Building this month. The 308,491gsf project is located south of Interstate-280 and north of Stevens Creek Blvd. in Santa Clara, CA. The seven level football-shaped building rises from a triangular parking podium wedged between the two main thoroughfares. The two levels of below grade parking holds 290 stalls with the 108,130sf of steel framed commercial space above it. Largo is working with general contractor Vance Brown Builders, Kenneth Rodruiguez & Partners, Inc. architects and Miyamoto International, Inc. structural engineers to have the building complete during the spring of 2022.

Shotcrete was used to place the 32,204sf of perimeter basement walls and a XXX shoring system was used to form the elevated decks. The last metal deck is schedule to be poured on XXX and Largo will have poured a total of 15,500CY over the course of 10 months.

Blue Sky Phase 1 Topping Out

The first phase of the mid-rise commercial development at the Warner Bros’ studio tops out in Burbank next week. Designed by the world renowned architect Frank Gehry, the eight level structure sits atop a four level below grade parking podium. In true Gehry fashion the structure has exposed columns poured out of plumb and a boxy, glass and metal facade exterior.

The concrete scope will take just over 15 months to place 65,000 cubic yards. With over 940,000 sq. ft. of elevated deck, crews were pouring a deck every two days during peak production. Largo is working with general contractor Krismar and structural engineer Englekirk Phase 2 is expected to top out in February of 2022.

The Loren Tops Out

The Loren at Lady Bird Lake topped out this month in Austin, TX with general contractor Hoar Construction. Located on the south end of the Lamar Blvd. Bridge the building features panoramic views of the lake and the downtown skyline. Two levels of below grade parking with 148 stalls and nine levels above grade make up the 290,339gsf cast-in-place building. The development has both a residential and hospitality component with 24 apartment style units and 108 hotel rooms under one roof. Residents and guests share the same amenities including a 24-hour concierge service, gym, spa and rooftop pool on level eight.

The design called for spread footing foundations and A-Frame shoring by Peri Formwork was used for the cast-in-place basement walls. Typical levels are 10ft 6in floor-to-floor with the penthouse and roof decks standing 13ft 6in and 14ft respectively. Typical deck pours averaged 12,500 and were poured every 6 days. Over the course of nine months Largo will have poured 15,119 Cubic Yards of concrete. Designed by architects Rhode Partners, Inc. and Viewtech, Inc. structural engineers, the development is scheduled to be open during the Spring of 2022.

Gateway at Millbrae Tops Out along the new Harriet Tubman Way

Largo completed the Building 5A parking podium for the Gateway at Millbrae development earlier this month. The structure is seven levels above grade with retail space at street level followed by three levels of concrete parking decks and steel framed office space above. Republic Urban Properties is the developer on the transit-oriented project adjacent to the local rail station. The nine acre development includes 400 residential units, a quarter of which qualify as affordable housing with 80 units designated as veteran-preferred.

Largo used a Titan HV system for the 146,000sf of elevated deck. Segments of 34ft tall deck were shored with HV Mega Shores and HV 240 Frames. Largo is working with general contractors Blach and Cahill with Form 4, Inc. architects and DCI Engineers to have the project completed later this year.

The project is located north of Millbrae Avenue between Rollins Road and the recently renamed Harriet Tubman Way. Republic worked with the Bay Area Rapid Transit (BART) commission to rename the street in front of the station to honor the legacy of the iconic abolitionist. Republic is currently working with the NAACP of San Mateo to commission a permanent freestanding outdoor art piece to further commemorate the most well-known ‘conductor’ of the Underground Railroad.

Frost Center Tops Out at Cal Poly San Luis Obispo

Largo recently topped out at the Frost Center for Research and Innovation at Cal Poly San Luis Obispo. The project 102,000gsf building five levels above grade and will house the  Colleges of Science and Mathematics, Agriculture Food & Environmental Sciences and Liberal Arts. The building will house configurable classrooms and cutting-edge laboratory space dedicated to enhancing the university’s educational philosophy of “learn-by-doing.” The facility also includes a computer lab, three conference rooms and 43 faculty offices. The complex is designed to achieve LEED Gold® certification and incorporates measures to maximize passive cooling and heating, utilize natural ventilation in the faculty offices, consume 30% less potable water, and exceed current Title 24 standards by 20%.

The new building is located north of the Baker Science building between Poly View Dr. and Perimeter Rd. The façade features extensive masonry work taking cues from the adjacent science and liberal arts buildings. Interior vertical concrete was constructed using both shotcrete and cast-in-place methods wherein 2,000 cubic yards of self-consolidating concrete was used for all exposed columns and shear walls. From the first floor of the atrium brick, concrete and wood finishes are work together as the central design theme.

Working with general contractor Gilbane, ZGF Architects, LLP, and John A. Martin & Associates structural engineers, the building is scheduled to be open for the Fall 2021 semester.

APEX Tops Out in San Diego

Perched along Towne Centre Drive in San Diego, CA, the new APEX commercial office building has impressive views of Sorrento Valley to the east. Largo topped out with general contractor Rudolf & Sletten on the 345,000gsf structure which has been leased to Apple. Designed by Perkins & Will architects and Coffman Structural Engineers the building has two levels of below grade parking with five levels of above grade including the roof.

Designers attempted to integrate modern architecture with the surrounding biodiversity to enhance the user well-being. Exposed concrete walls blend with extensive glass and steel accents on the exterior façade. The concrete roof deck is also exposed and cantilevers toward the canyon sheltering the outdoor terrace on level four. There is a total of 37,000sf of exterior architectural concrete on the project which includes feature walls, columns, and sloped soffits. All exposed elements were designed with dimensioned seam plywood layout for a consistent special finish. A computer generated solar study was used to determine the most effective placement of sunshade elements to maximize daylight and visual connections to the environment.

Amenities include a fitness center, an outdoor workout area, volleyball court and game area with horseshoe and corn-hole space. A cafe, amphitheater and flexible workspaces round out the amenities and blend with the architectural features to produce a unique creative space. In total Largo pour over 27,000CY of concrete over the 10.5 month schedule.

345 4th Street Tops Out

The eight level commercial office development on 345 4th Street topped out in San Francisco this month with GC Stoer Construction. The building will be occupied by WeWork, one of the leading space-as-a-service platforms providing flexible real estate options to businesses of all sizes. Designed by Stanton Architecture and DCI Engineers, the building provides 50,000sf of office space and retail storefront at street level. Located in the South of Market (SoMa) District, the downtown skyline will be visible to the north from the vegetated rooftop terrace.

By far the most striking feature of the building is the 77 ft. tall, 28 ft. wide board-formed concrete wall on the West elevation.

Illuminated inset numbers which bare the namesake of the building stand 9′ tall and run vertically down the wall with a smooth concrete finish. The wall was accomplished using shotcrete applied from the interior of the structure onto the boards and around the foam number inserts.

Linea Los Angeles Wins ACI Award for Decorative Uses of Concrete

The American Concrete Institute (ACI) gave the “Decorative Uses of Concrete Construction” award to the Linea Apartments in Los Angeles, CA. Click here to view a list of all the projects which received recognition at this years virtual event and check out the Linea project video below:

The Linea mid-rise luxury apartment complex is centrally located along Sepulveda Blvd. between Pico and Exposition in West Los Angeles. The 545,000gsf development features two levels of below grade parking, three levels of retail and commercial space starting at street level, and residential units from the podium deck up. A total of 911 parking stalls are provided for the 566 market rate and 66 affordable housing units. Residential space is spread out across one ten level and three five level structures rising from the podium. The boomerang shaped nine level structure is located toward the back of the podium and has post-tensioned slabs and a concrete moment frame with both upturned and downturned beams. The five level buildings are light gauge metal stud structures facing Sepulveda Blvd.

The 125,000sf of slab on grade area starts two levels below grade with 1,550CY of shotcrete applied to the perimeter and radial ramp walls of the subterranean parking levels. Due to rebar congestion shotcrete crews utilized a “hybrid method” to place the pilasters in the perimeter basement walls. This is accomplished by forming the pilaster with Stayform then pouring and vibrating readymix into the form without the air component. The Stayform is then removed and the surface is pneumatically applied and finished in the traditional shotcrete fashion. 14,000sf of 22’ tall decks are also featured in the podium structure where teams used Titan XL 625 posts for shoring. During the height of construction in the J-shaped shaped podium Largo had two boom pumps onsite utilizing four masts.

The podium plaza level features a landscaped courtyard with two pools and communal outdoor dining and recreation areas. The modern outdoor living space is decorated with 10,000sf of architectural board-formed concrete parapet walls and planters. The exposed concrete look is carried on to the courtyard roof deck on level ten of the cast-in-place structure, where more concrete benches and board-formed planters can be found lining another pool, a spa, daybeds and cabanas.

Designed by Van Tilburg, Banvard & Soderbergh Architects with Englekirk providing the structural engineering, the development opened during the summer of 2020. The penthouse currently rents for over $15,000/month with impressive views of the I-10 and I-405 interchange. Overall, Largo Concrete placed 53,200CY of concrete over 11 months. 73 elevated deck pours were accomplished over a 9.25-month duration averaging a pour ever 2.7 working days.

Ivy Station Wins ACI Award for Outstanding Performance in Design and Engineering

The American Concrete Institute (ACI) recently awarded the Ivy Station project the award for Outstanding Performance in Design and Engineering. Click here to view a list of all the projects which received recognition this year and check out the Ivy Station project video below:

The new development sits adjacent to the Culver / Venice Metro Line Station in Culver City, CA along Venice and Jefferson Blvd. This city-block-wide transit-oriented development is a true mixed-use project with a commercial office space, hospitality rooms and residential units with a retail plaza at street level. Each component sits atop a three level below grade, 607,000sf parking podium housing 1,538 stalls, 300 of which are dedicated to Metro riders.

The versatility of the podium is also depicted with three different building types rising from the 218,000sf plaza level lined with space for retail and food stores. The 148-room hotel utilizes structural steel while the 200 residential units are spread across wood frame. Both components are five stories tall sitting atop an elevated deck of concrete while the entire commercial building is cast-in-place concrete.

Over 23,600CY was placed for the 236,700sf mat foundation ranging from 17” to 60” thick three levels below the street. Largo utilized their own powerful City Pumps to hose the readymix hundreds of feet from the street down to the jobsite. Nearly 3,000CY of shotcrete walls were pneumatically placed around the perimeter of the basement parking levels. Interior structural walls up to 3’ thick enclose staircases and radial ramps giving pedestrians and vehicles access to the below grade parking.

At the plaza level, structural columns switch from rectangular to circular which juxtapose the angular shaped decks. Typical levels have a 13’8” floor-to-floor height with the first and fifth levels at 15’. The concrete columns, interior walls and soffits remain exposed throughout the commercial building to usher views outward to the street and plaza with a grand entrance off Venice reaching 28’5” in height. Largo worked with general contractor Bernards, KFA architects and Englekirk structure engineers to place 81,500CY of concrete over 14 months.