Riverbank collapse was recorded in the Philippines especially during typhoons and heavy rains. To analyze the possibility of failure, Slope/W under the Geostudio package was used as a finite element modeling technique in the study. The simulation determined the effect of the factor of safety (FOS) from the six (6) different assumed slopes and 15 different soil properties. The assumption of the present paper is that the properties of the soil and slope of the riverbank can determine the stability status of the sloping riverbank. There was a total of 90 simulations that were analyzed using the Morgenstern-Price method. The simulation results concluded that the highest and safe values of the factor of safety were recorded in simulations 1, 5 and 12 which are all more than 1.50. The simulations with a lower value of cohesion resulted in a lower value of the factor of safety. The correlation assessment result revealed that the slope instability or failure of slopes of riverbanks can be attributed to the cohesion values and the angle of internal friction (ϕ). It is recommended using a flatter slope and high values of cohesion which can be attained by riverbank improvement. If lower values of cohesion were detected, additional measures like bank stability should be proposed. The measures to be implemented should improve the FOS value which would improve the stability of slopes, thus preventing the vulnerability to riverbank collapse.

The construction industry is heavily reliant on the production of laborers, and construction labor costs share a big part in the total cost of the projects. Due to the emergence of the COVID-19, the construction industry has been experiencing restrictions and limitations in their project sites, affecting labor productivity. This paper aims to determine which factors are critical in influencing Construction Labor Productivity in the National Capital Region (NCR) in the Philippines during the COVID-19 pandemic by obtaining each of the critical factors’ respective relative importance index. In order to achieve the study’s objective, the researchers asked experts under the category AAAA companies who have a site and managerial experience during the pandemic to participate in an online questionnaire survey. 34 factors were considered for this study and categorized into four groups: (1) Human/labor; (2) Management; (3) Technological; and (4) COVID-19. The findings of the study were able to identify the 10 significant factors affecting labor productivity during the pandemic: (1) Laborer’s Experience and Skill; (2) Availability of Materials; (3) Clarity of Instructions and Daily Task Assignments; (4) Coordination among Level Design Disciplines; (5) Shortage of Laborers, Construction Method; (6) Prolonged Delivery Period, Limited Number of Work Personnel Per Zone, Leadership of Construction Management; (7) Clarity of the Drawings and Specifications; (8) Communication among Laborers, Rework; (9) Social Distancing, Laborer’s Absenteeism; and (10) Availability of Personal Protective Equipment. The study can guide construction firms for efficient management of laborers during a pandemic to improve construction labor productivity and accomplish a cost-effective project.